27049257165 has 16 divisors (see below), whose sum is σ = 49461499008. Its totient is φ = 12365374656.

The previous prime is 27049257101. The next prime is 27049257167. The reversal of 27049257165 is 56175294072.

It is not a de Polignac number, because 27049257165 - 2⁶ = 27049257101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27049257167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128805882 + ... + 128806091.

It is an arithmetic number, because the mean of its divisors is an integer number (3091343688).

Almost surely, 2^27049257165 is an apocalyptic number.

It is an amenable number.

27049257165 is a deficient number, since it is larger than the sum of its proper divisors (22412241843).

27049257165 is a wasteful number, since it uses less digits than its factorization.

27049257165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257611988.

The product of its (nonzero) digits is 1058400, while the sum is 48.

The spelling of 27049257165 in words is "twenty-seven billion, forty-nine million, two hundred fifty-seven thousand, one hundred sixty-five".