361660572 has 192 divisors, whose sum is σ = 1179136000. Its totient is φ = 95256000.

The previous prime is 361660543. The next prime is 361660597. The reversal of 361660572 is 275066163.

361660572 is a `hidden beast` number, since 36 + 16 + 605 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 481197 + ... + 481947.

Almost surely, 2^361660572 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 361660572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (589568000).

361660572 is an abundant number, since it is smaller than the sum of its proper divisors (817475428).

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

361660572 is a wasteful number, since it uses less digits than its factorization.

361660572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798 (or 776 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 361660572 is about 19017.3755287106. The cubic root of 361660572 is about 712.4707755326.

The spelling of 361660572 in words is "three hundred sixty-one million, six hundred sixty thousand, five hundred seventy-two".