1055911660 has 12 divisors (see below), whose sum is σ = 2217414528. Its totient is φ = 422364656.

The previous prime is 1055911657. The next prime is 1055911687. The reversal of 1055911660 is 661195501.

It is a super-2 number, since 2×1055911660² = 2229898867447911200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26397772 + ... + 26397811.

It is an arithmetic number, because the mean of its divisors is an integer number (184784544).

Almost surely, 2^1055911660 is an apocalyptic number.

1055911660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1055911660 is an abundant number, since it is smaller than the sum of its proper divisors (1161502868).

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

1055911660 is a wasteful number, since it uses less digits than its factorization.

1055911660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52795592 (or 52795590 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 1055911660 is about 32494.7943523267. The cubic root of 1055911660 is about 1018.3002769421.

The spelling of 1055911660 in words is "one billion, fifty-five million, nine hundred eleven thousand, six hundred sixty".