27660606672 has 40 divisors (see below), whose sum is σ = 71689362976. Its totient is φ = 9190164096.

The previous prime is 27660606671. The next prime is 27660606697.

27660606672 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×27660606672² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27660606671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 923803 + ... + 953274.

Almost surely, 2^27660606672 is an apocalyptic number.

It is an amenable number.

27660606672 is an abundant number, since it is smaller than the sum of its proper divisors (44028756304).

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

27660606672 is a wasteful number, since it uses less digits than its factorization.

27660606672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877395 (or 1877389 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 48.

The spelling of 27660606672 in words is "twenty-seven billion, six hundred sixty million, six hundred six thousand, six hundred seventy-two".