361031664 has 80 divisors (see below), whose sum is σ = 1068503040. Its totient is φ = 102900480.

The previous prime is 361031651. The next prime is 361031683. The reversal of 361031664 is 466130163.

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, 169969 + ... + 172079.

It is an arithmetic number, because the mean of its divisors is an integer number (13356288).

Almost surely, 2^361031664 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 361031664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (534251520).

361031664 is an abundant number, since it is smaller than the sum of its proper divisors (707471376).

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

361031664 is a wasteful number, since it uses less digits than its factorization.

361031664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2638 (or 2632 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 361031664 is about 19000.8332448869. The cubic root of 361031664 is about 712.0575533159.

The spelling of 361031664 in words is "three hundred sixty-one million, thirty-one thousand, six hundred sixty-four".