361983603816 has 48 divisors (see below), whose sum is σ = 981321515460. Its totient is φ = 120544369920.

The previous prime is 361983603809. The next prime is 361983603829. The reversal of 361983603816 is 618306389163.

361983603816 is a `hidden beast` number, since 3 + 6 + 19 + 8 + 3 + 603 + 8 + 16 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 326509388100 + 35474215716 = 571410^2 + 188346^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2359095 + ... + 2507846.

Almost surely, 2^361983603816 is an apocalyptic number.

361983603816 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

361983603816 is an abundant number, since it is smaller than the sum of its proper divisors (619337911644).

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

361983603816 is a wasteful number, since it uses less digits than its factorization.

361983603816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4867986 (or 4867979 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The spelling of 361983603816 in words is "three hundred sixty-one billion, nine hundred eighty-three million, six hundred three thousand, eight hundred sixteen".