56667066100 has 18 divisors (see below), whose sum is σ = 122967533654. Its totient is φ = 22666826400.

The previous prime is 56667066089. The next prime is 56667066119. The reversal of 56667066100 is 166076665.

It can be written as a sum of positive squares in 3 ways, for example, as 5016322276 + 51650743824 = 70826^2 + 227268^2 .

It is a super-2 number, since 2×56667066100² (a number of 22 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 5 ways as a sum of consecutive naturals, for example, 283335231 + ... + 283335430.

Almost surely, 2^56667066100 is an apocalyptic number.

56667066100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56667066100 is an abundant number, since it is smaller than the sum of its proper divisors (66300467554).

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

56667066100 is a wasteful number, since it uses less digits than its factorization.

56667066100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566670675 (or 566670668 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 56667066100 in words is "fifty-six billion, six hundred sixty-seven million, sixty-six thousand, one hundred".