1056461664631 has 16 divisors (see below), whose sum is σ = 1104116083200. Its totient is φ = 1009835049888.

The previous prime is 1056461664589. The next prime is 1056461664641. The reversal of 1056461664631 is 1364661646501.

It is a cyclic number.

It is not a de Polignac number, because 1056461664631 - 2⁹ = 1056461664119 is a prime.

It is a super-2 number, since 2×1056461664631² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056461664641) 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, 3248086 + ... + 3558508.

It is an arithmetic number, because the mean of its divisors is an integer number (69007255200).

Almost surely, 2^{1056461664631} is an apocalyptic number.

1056461664631 is a deficient number, since it is larger than the sum of its proper divisors (47654418569).

1056461664631 is a wasteful number, since it uses less digits than its factorization.

1056461664631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312078.

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 1056461664631 in words is "one trillion, fifty-six billion, four hundred sixty-one million, six hundred sixty-four thousand, six hundred thirty-one".