264613655 has 4 divisors (see below), whose sum is σ = 317536392. Its totient is φ = 211690920.

The previous prime is 264613651. The next prime is 264613667. The reversal of 264613655 is 556316462.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 264613655 - 2² = 264613651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264613651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26461361 + ... + 26461370.

It is an arithmetic number, because the mean of its divisors is an integer number (79384098).

Almost surely, 2^264613655 is an apocalyptic number.

264613655 is a deficient number, since it is larger than the sum of its proper divisors (52922737).

264613655 is an equidigital number, since it uses as much as digits as its factorization.

264613655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52922736.

The product of its digits is 129600, while the sum is 38.

The square root of 264613655 is about 16266.9497755418. The cubic root of 264613655 is about 642.0035317462.

The spelling of 264613655 in words is "two hundred sixty-four million, six hundred thirteen thousand, six hundred fifty-five".