361216056 has 64 divisors (see below), whose sum is σ = 931507200. Its totient is φ = 116661888.

The previous prime is 361216021. The next prime is 361216099. The reversal of 361216056 is 650612163.

It is a super-2 number, since 2×361216056² = 260954078224390272, which contains 22 as substring.

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, 114630 + ... + 117738.

It is an arithmetic number, because the mean of its divisors is an integer number (14554800).

Almost surely, 2^361216056 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 361216056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (465753600).

361216056 is an abundant number, since it is smaller than the sum of its proper divisors (570291144).

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

361216056 is a wasteful number, since it uses less digits than its factorization.

361216056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3268 (or 3264 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 361216056 is about 19005.6848337543. The cubic root of 361216056 is about 712.1787572462.

The spelling of 361216056 in words is "three hundred sixty-one million, two hundred sixteen thousand, fifty-six".