556655164261 has 16 divisors (see below), whose sum is σ = 638486037504. Its totient is φ = 475402172544.

The previous prime is 556655164249. The next prime is 556655164267. The reversal of 556655164261 is 162461556655.

It is a cyclic number.

It is not a de Polignac number, because 556655164261 - 2¹⁵ = 556655131493 is a prime.

It is a super-2 number, since 2×556655164261² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 556655164199 and 556655164208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556655164267) 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, 10406761 + ... + 10460113.

It is an arithmetic number, because the mean of its divisors is an integer number (39905377344).

Almost surely, 2^556655164261 is an apocalyptic number.

It is an amenable number.

556655164261 is a deficient number, since it is larger than the sum of its proper divisors (81830873243).

556655164261 is a wasteful number, since it uses less digits than its factorization.

556655164261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58740.

The product of its digits is 6480000, while the sum is 52.

The spelling of 556655164261 in words is "five hundred fifty-six billion, six hundred fifty-five million, one hundred sixty-four thousand, two hundred sixty-one".