361866516 has 48 divisors (see below), whose sum is σ = 922510848. Its totient is φ = 109490400.

The previous prime is 361866493. The next prime is 361866523. The reversal of 361866516 is 615668163.

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, 106971 + ... + 110301.

It is an arithmetic number, because the mean of its divisors is an integer number (19218976).

Almost surely, 2^361866516 is an apocalyptic number.

It is an amenable number.

361866516 is an abundant number, since it is smaller than the sum of its proper divisors (560644332).

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

361866516 is a wasteful number, since it uses less digits than its factorization.

361866516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4172 (or 4170 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 361866516 is about 19022.7893853662. The cubic root of 361866516 is about 712.6059863264.

The spelling of 361866516 in words is "three hundred sixty-one million, eight hundred sixty-six thousand, five hundred sixteen".