1151616 has 32 divisors (see below), whose sum is σ = 3060000. Its totient is φ = 383744.

The previous prime is 1151611. The next prime is 1151629. The reversal of 1151616 is 6161511.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1151616² = 2652438822912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1151592 and 1151601.

It is not an unprimeable number, because it can be changed into a prime (1151611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1116 + ... + 1883.

It is an arithmetic number, because the mean of its divisors is an integer number (95625).

2^1151616 is an apocalyptic number.

1151616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1151616 is an abundant number, since it is smaller than the sum of its proper divisors (1908384).

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

1151616 is an equidigital number, since it uses as much as digits as its factorization.

1151616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3016 (or 3004 counting only the distinct ones).

The product of its digits is 180, while the sum is 21.

The square root of 1151616 is about 1073.1337288521. The cubic root of 1151616 is about 104.8180067344.

The spelling of 1151616 in words is "one million, one hundred fifty-one thousand, six hundred sixteen".