1056665170 has 48 divisors (see below), whose sum is σ = 2162787480. Its totient is φ = 370979840.

The previous prime is 1056665123. The next prime is 1056665177. The reversal of 1056665170 is 715666501.

It can be written as a sum of positive squares in 4 ways, for example, as 1018311921 + 38353249 = 31911^2 + 6193^2 .

It is a super-2 number, since 2×1056665170² = 2233082562982257800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056665177) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20034 + ... + 50146.

Almost surely, 2^1056665170 is an apocalyptic number.

1056665170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1056665170 is an abundant number, since it is smaller than the sum of its proper divisors (1106122310).

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

1056665170 is a wasteful number, since it uses less digits than its factorization.

1056665170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30171 (or 30160 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 1056665170 is about 32506.3866032508. The cubic root of 1056665170 is about 1018.5424427170.

The spelling of 1056665170 in words is "one billion, fifty-six million, six hundred sixty-five thousand, one hundred seventy".