56666905201852 has 48 divisors (see below), whose sum is σ = 108461944386432. Its totient is φ = 25691133948480.

The previous prime is 56666905201847. The next prime is 56666905201871. The reversal of 56666905201852 is 25810250966665.

It is a super-2 number, since 2×56666905201852² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59308018 + ... + 60255910.

It is an arithmetic number, because the mean of its divisors is an integer number (2259623841384).

Almost surely, 2^{56666905201852} is an apocalyptic number.

It is an amenable number.

56666905201852 is a deficient number, since it is larger than the sum of its proper divisors (51795039184580).

56666905201852 is a wasteful number, since it uses less digits than its factorization.

56666905201852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951418 (or 951416 counting only the distinct ones).

The product of its (nonzero) digits is 46656000, while the sum is 61.

The spelling of 56666905201852 in words is "fifty-six trillion, six hundred sixty-six billion, nine hundred five million, two hundred one thousand, eight hundred fifty-two".