1051566160 has 20 divisors (see below), whose sum is σ = 2444891508. Its totient is φ = 420626432.

The previous prime is 1051566157. The next prime is 1051566167. The reversal of 1051566160 is 616651501.

It can be written as a sum of positive squares in 2 ways, for example, as 112021056 + 939545104 = 10584^2 + 30652^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×1051566160² = 2211582777714291200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051566167) 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, 6572209 + ... + 6572368.

Almost surely, 2^1051566160 is an apocalyptic number.

1051566160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051566160 is an abundant number, since it is smaller than the sum of its proper divisors (1393325348).

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

1051566160 is a wasteful number, since it uses less digits than its factorization.

1051566160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13144590 (or 13144584 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 1051566160 is about 32427.8608606858. The cubic root of 1051566160 is about 1016.9014515834.

The spelling of 1051566160 in words is "one billion, fifty-one million, five hundred sixty-six thousand, one hundred sixty".