361988985161900 has 18 divisors (see below), whose sum is σ = 785516097801540. Its totient is φ = 144795594064720.

The previous prime is 361988985161873. The next prime is 361988985161941. The reversal of 361988985161900 is 9161589889163.

It is a super-2 number, since 2×361988985161900² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1809944925710 + ... + 1809944925909.

Almost surely, 2^{361988985161900} is an apocalyptic number.

It is an amenable number.

361988985161900 is an abundant number, since it is smaller than the sum of its proper divisors (423527112639640).

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

361988985161900 is a wasteful number, since it uses less digits than its factorization.

361988985161900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3619889851633 (or 3619889851626 counting only the distinct ones).

The product of its (nonzero) digits is 201553920, while the sum is 74.

The spelling of 361988985161900 in words is "three hundred sixty-one trillion, nine hundred eighty-eight billion, nine hundred eighty-five million, one hundred sixty-one thousand, nine hundred".