51667627858632 has 40 divisors (see below), whose sum is σ = 144717198402150. Its totient is φ = 17222542619328.

The previous prime is 51667627858621. The next prime is 51667627858687. The reversal of 51667627858632 is 23685872676615.

51667627858632 is a `hidden beast` number, since 5 + 1 + 6 + 6 + 7 + 6 + 2 + 7 + 8 + 586 + 32 = 666.

It can be written as a sum of positive squares in only one way, i.e., 36845944047396 + 14821683811236 = 6070086^2 + 3849894^2 .

It is a super-2 number, since 2×51667627858632² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 39866996157 + ... + 39866997452.

Almost surely, 2^{51667627858632} is an apocalyptic number.

It is an amenable number.

51667627858632 is an abundant number, since it is smaller than the sum of its proper divisors (93049570543518).

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

51667627858632 is a wasteful number, since it uses less digits than its factorization.

51667627858632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79733993627 (or 79733993614 counting only the distinct ones).

The product of its digits is 1219276800, while the sum is 72.

The spelling of 51667627858632 in words is "fifty-one trillion, six hundred sixty-seven billion, six hundred twenty-seven million, eight hundred fifty-eight thousand, six hundred thirty-two".