27160666407 has 48 divisors (see below), whose sum is σ = 45164421120. Its totient is φ = 15407179776.

The previous prime is 27160666381. The next prime is 27160666409. The reversal of 27160666407 is 70466606172.

It is a happy number.

It is not a de Polignac number, because 27160666407 - 2¹¹ = 27160664359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27160666409) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12129594 + ... + 12131832.

It is an arithmetic number, because the mean of its divisors is an integer number (940925440).

Almost surely, 2^27160666407 is an apocalyptic number.

27160666407 is a deficient number, since it is larger than the sum of its proper divisors (18003754713).

27160666407 is a wasteful number, since it uses less digits than its factorization.

27160666407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3572 (or 3569 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 27160666407 in words is "twenty-seven billion, one hundred sixty million, six hundred sixty-six thousand, four hundred seven".