56666100526 has 48 divisors (see below), whose sum is σ = 98349863040. Its totient is φ = 23986361520.

The previous prime is 56666100509. The next prime is 56666100529. The reversal of 56666100526 is 62500166665.

It is a super-2 number, since 2×56666100526² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56666100529) 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, 99239821 + ... + 99240391.

It is an arithmetic number, because the mean of its divisors is an integer number (2048955480).

Almost surely, 2^56666100526 is an apocalyptic number.

56666100526 is a deficient number, since it is larger than the sum of its proper divisors (41683762514).

56666100526 is a wasteful number, since it uses less digits than its factorization.

56666100526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 56666100526 in words is "fifty-six billion, six hundred sixty-six million, one hundred thousand, five hundred twenty-six".