264003155 has 16 divisors (see below), whose sum is σ = 343870464. Its totient is φ = 193415040.

The previous prime is 264003127. The next prime is 264003167. The reversal of 264003155 is 551300462.

It is not a de Polignac number, because 264003155 - 2¹⁴ = 263986771 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7736 + ... + 24245.

It is an arithmetic number, because the mean of its divisors is an integer number (21491904).

Almost surely, 2^264003155 is an apocalyptic number.

264003155 is a deficient number, since it is larger than the sum of its proper divisors (79867309).

264003155 is a wasteful number, since it uses less digits than its factorization.

264003155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32126.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 264003155 is about 16248.1738973954. The cubic root of 264003155 is about 641.5094214867.

The spelling of 264003155 in words is "two hundred sixty-four million, three thousand, one hundred fifty-five".