1056011555166 has 32 divisors (see below), whose sum is σ = 2123366192640. Its totient is φ = 350114025984.

The previous prime is 1056011555161. The next prime is 1056011555177. The reversal of 1056011555166 is 6615551106501.

It is a super-2 number, since 2×1056011555166² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056011555161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6266155 + ... + 6432473.

It is an arithmetic number, because the mean of its divisors is an integer number (66355193520).

Almost surely, 2^{1056011555166} is an apocalyptic number.

1056011555166 is an abundant number, since it is smaller than the sum of its proper divisors (1067354637474).

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

1056011555166 is a wasteful number, since it uses less digits than its factorization.

1056011555166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172000.

The product of its (nonzero) digits is 135000, while the sum is 42.

The spelling of 1056011555166 in words is "one trillion, fifty-six billion, eleven million, five hundred fifty-five thousand, one hundred sixty-six".