361665264 has 80 divisors (see below), whose sum is σ = 990249120. Its totient is φ = 113541120.

The previous prime is 361665257. The next prime is 361665277. The reversal of 361665264 is 462566163.

It is a congruent 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, 53904 + ... + 60240.

It is an arithmetic number, because the mean of its divisors is an integer number (12378114).

Almost surely, 2^361665264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 361665264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (495124560).

361665264 is an abundant number, since it is smaller than the sum of its proper divisors (628583856).

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

361665264 is a wasteful number, since it uses less digits than its factorization.

361665264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6418 (or 6412 counting only the distinct ones).

The product of its digits is 155520, while the sum is 39.

The square root of 361665264 is about 19017.4988891810. The cubic root of 361665264 is about 712.4738565969.

The spelling of 361665264 in words is "three hundred sixty-one million, six hundred sixty-five thousand, two hundred sixty-four".