1051551166 has 8 divisors (see below), whose sum is σ = 1577510424. Its totient is φ = 525714360.

The previous prime is 1051551139. The next prime is 1051551199. The reversal of 1051551166 is 6611551501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1051551166² = 2211519709431919112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4785 + ... + 46108.

It is an arithmetic number, because the mean of its divisors is an integer number (197188803).

Almost surely, 2^1051551166 is an apocalyptic number.

1051551166 is a deficient number, since it is larger than the sum of its proper divisors (525959258).

1051551166 is a wasteful number, since it uses less digits than its factorization.

1051551166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61226.

The product of its (nonzero) digits is 4500, while the sum is 31.

The square root of 1051551166 is about 32427.6296697739. The cubic root of 1051551166 is about 1016.8966183187.

The spelling of 1051551166 in words is "one billion, fifty-one million, five hundred fifty-one thousand, one hundred sixty-six".