27131632506 has 40 divisors (see below), whose sum is σ = 66321772704. Its totient is φ = 8221706280.

The previous prime is 27131632441. The next prime is 27131632523. The reversal of 27131632506 is 60523613172.

27131632506 is a `hidden beast` number, since 2 + 7 + 13 + 1 + 632 + 5 + 0 + 6 = 666.

It is a super-2 number, since 2×27131632506² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7610910 + ... + 7614473.

Almost surely, 2^27131632506 is an apocalyptic number.

27131632506 is an abundant number, since it is smaller than the sum of its proper divisors (39190140198).

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

27131632506 is a wasteful number, since it uses less digits than its factorization.

27131632506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15225408 (or 15225399 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 27131632506 in words is "twenty-seven billion, one hundred thirty-one million, six hundred thirty-two thousand, five hundred six".