365998473216 has 128 divisors (see below), whose sum is σ = 1084425994800. Its totient is φ = 121999196160.

The previous prime is 365998473163. The next prime is 365998473221. The reversal of 365998473216 is 612374899563.

365998473216 is a `hidden beast` number, since 3 + 6 + 59 + 98 + 473 + 21 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 677896 + ... + 1091576.

Almost surely, 2^365998473216 is an apocalyptic number.

365998473216 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 365998473216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (542212997400).

365998473216 is an abundant number, since it is smaller than the sum of its proper divisors (718427521584).

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

365998473216 is an frugal number, since it uses more digits than its factorization.

365998473216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413720 (or 413686 counting only the distinct ones).

The product of its digits is 58786560, while the sum is 63.

The spelling of 365998473216 in words is "three hundred sixty-five billion, nine hundred ninety-eight million, four hundred seventy-three thousand, two hundred sixteen".