265135604164 has 12 divisors (see below), whose sum is σ = 470522340288. Its totient is φ = 130700649800.

The previous prime is 265135604117. The next prime is 265135604203. The reversal of 265135604164 is 461406531562.

It is a self number, because there is not a number n which added to its sum of digits gives 265135604164.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466787752 + ... + 466788319.

It is an arithmetic number, because the mean of its divisors is an integer number (39210195024).

Almost surely, 2^265135604164 is an apocalyptic number.

It is an amenable number.

265135604164 is a deficient number, since it is larger than the sum of its proper divisors (205386736124).

265135604164 is a wasteful number, since it uses less digits than its factorization.

265135604164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933576146 (or 933576144 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 265135604164 in words is "two hundred sixty-five billion, one hundred thirty-five million, six hundred four thousand, one hundred sixty-four".