264161616 has 40 divisors (see below), whose sum is σ = 683733024. Its totient is φ = 87884160.

The previous prime is 264161533. The next prime is 264161621. The reversal of 264161616 is 616161462.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21226 + ... + 31286.

Almost surely, 2^264161616 is an apocalyptic number.

It is an amenable number.

264161616 is an abundant number, since it is smaller than the sum of its proper divisors (419571408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

264161616 is a wasteful number, since it uses less digits than its factorization.

264161616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10619 (or 10613 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 264161616 is about 16253.0494369518. The cubic root of 264161616 is about 641.6377455753.

It can be divided in two parts, 264 and 161616, that multiplied together give a palindrome (42666624).

The spelling of 264161616 in words is "two hundred sixty-four million, one hundred sixty-one thousand, six hundred sixteen".