1151660160 has 256 divisors, whose sum is σ = 4661971200. Its totient is φ = 263208960.

The previous prime is 1151660149. The next prime is 1151660171. The reversal of 1151660160 is 610661511.

1151660160 is a `hidden beast` number, since 1 + 1 + 51 + 6 + 601 + 6 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1151660149) and next prime (1151660171).

It is a super-2 number, since 2×1151660160² = 2652642248262451200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116200 + ... + 125720.

It is an arithmetic number, because the mean of its divisors is an integer number (18210825).

Almost surely, 2^1151660160 is an apocalyptic number.

1151660160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1151660160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2330985600).

1151660160 is an abundant number, since it is smaller than the sum of its proper divisors (3510311040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1151660160 is an equidigital number, since it uses as much as digits as its factorization.

1151660160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9556 (or 9538 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1151660160 is about 33936.1188116732. The cubic root of 1151660160 is about 1048.1934650506.

The spelling of 1151660160 in words is "one billion, one hundred fifty-one million, six hundred sixty thousand, one hundred sixty".