264815582061 has 32 divisors (see below), whose sum is σ = 367894204416. Its totient is φ = 169252272000.

The previous prime is 264815582051. The next prime is 264815582063. The reversal of 264815582061 is 160285518462.

It is not a de Polignac number, because 264815582061 - 2¹⁷ = 264815450989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 264815582061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264815582063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6234666 + ... + 6276996.

It is an arithmetic number, because the mean of its divisors is an integer number (11496693888).

Almost surely, 2^264815582061 is an apocalyptic number.

It is an amenable number.

264815582061 is a deficient number, since it is larger than the sum of its proper divisors (103078622355).

264815582061 is a wasteful number, since it uses less digits than its factorization.

264815582061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42993.

The product of its (nonzero) digits is 921600, while the sum is 48.

The spelling of 264815582061 in words is "two hundred sixty-four billion, eight hundred fifteen million, five hundred eighty-two thousand, sixty-one".