36732991680 has 672 divisors, whose sum is σ = 159809614848. Its totient is φ = 7522099200.

The previous prime is 36732991663. The next prime is 36732991697. The reversal of 36732991680 is 8619923763.

36732991680 is a `hidden beast` number, since 367 + 32 + 99 + 168 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (36732991663) and next prime (36732991697).

It is a tau number, because it is divible by the number of its divisors (672).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15743794 + ... + 15746126.

Almost surely, 2^36732991680 is an apocalyptic number.

36732991680 is a gapful number since it is divisible by the number (30) 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 36732991680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79904807424).

36732991680 is an abundant number, since it is smaller than the sum of its proper divisors (123076623168).

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

36732991680 is a wasteful number, since it uses less digits than its factorization.

36732991680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445 (or 2432 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The spelling of 36732991680 in words is "thirty-six billion, seven hundred thirty-two million, nine hundred ninety-one thousand, six hundred eighty".