264162813 has 16 divisors (see below), whose sum is σ = 378193536. Its totient is φ = 163412480.

The previous prime is 264162799. The next prime is 264162839. The reversal of 264162813 is 318261462.

It is a cyclic number.

It is not a de Polignac number, because 264162813 - 2⁵ = 264162781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264162863) 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, 32856 + ... + 40097.

It is an arithmetic number, because the mean of its divisors is an integer number (23637096).

Almost surely, 2^264162813 is an apocalyptic number.

It is an amenable number.

264162813 is a deficient number, since it is larger than the sum of its proper divisors (114030723).

264162813 is a wasteful number, since it uses less digits than its factorization.

264162813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73044.

The product of its digits is 13824, while the sum is 33.

The square root of 264162813 is about 16253.0862607691. The cubic root of 264162813 is about 641.6387147285.

The spelling of 264162813 in words is "two hundred sixty-four million, one hundred sixty-two thousand, eight hundred thirteen".