1056660900 has 36 divisors (see below), whose sum is σ = 3057273072. Its totient is φ = 281776160.

The previous prime is 1056660893. The next prime is 1056660901. The reversal of 1056660900 is 90666501.

It is a super-2 number, since 2×1056660900² = 2233064515177620000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056660901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1760802 + ... + 1761401.

It is an arithmetic number, because the mean of its divisors is an integer number (84924252).

Almost surely, 2^1056660900 is an apocalyptic number.

1056660900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1056660900 is an abundant number, since it is smaller than the sum of its proper divisors (2000612172).

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

1056660900 is a wasteful number, since it uses less digits than its factorization.

1056660900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3522220 (or 3522213 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 1056660900 is about 32506.3209237834. The cubic root of 1056660900 is about 1018.5410707334.

The spelling of 1056660900 in words is "one billion, fifty-six million, six hundred sixty thousand, nine hundred".