264016251 has 12 divisors (see below), whose sum is σ = 384733128. Its totient is φ = 174452544.

The previous prime is 264016231. The next prime is 264016271. The reversal of 264016251 is 152610462.

264016251 is a `hidden beast` number, since 2 + 6 + 401 + 6 + 251 = 666.

It is an interprime number because it is at equal distance from previous prime (264016231) and next prime (264016271).

It is not a de Polignac number, because 264016251 - 2⁵ = 264016219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (264016211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128785 + ... + 130818.

It is an arithmetic number, because the mean of its divisors is an integer number (32061094).

Almost surely, 2^264016251 is an apocalyptic number.

264016251 is a deficient number, since it is larger than the sum of its proper divisors (120716877).

264016251 is a wasteful number, since it uses less digits than its factorization.

264016251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259722 (or 259719 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 264016251 is about 16248.5768915311. The cubic root of 264016251 is about 641.5200287696.

The spelling of 264016251 in words is "two hundred sixty-four million, sixteen thousand, two hundred fifty-one".