36418309617672 has 56 divisors (see below), whose sum is σ = 102379661570190. Its totient is φ = 12139436537280.

The previous prime is 36418309617661. The next prime is 36418309617721. The reversal of 36418309617672 is 27671690381463.

It is a happy number.

36418309617672 is a `hidden beast` number, since 3 + 6 + 4 + 1 + 8 + 3 + 0 + 9 + 617 + 6 + 7 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 27260992094436 + 9157317523236 = 5221206^2 + 3026106^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 3122277229 + ... + 3122288892.

Almost surely, 2^{36418309617672} is an apocalyptic number.

It is an amenable number.

36418309617672 is an abundant number, since it is smaller than the sum of its proper divisors (65961351952518).

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

36418309617672 is an equidigital number, since it uses as much as digits as its factorization.

36418309617672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6244566145 (or 6244566126 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 63.

The spelling of 36418309617672 in words is "thirty-six trillion, four hundred eighteen billion, three hundred nine million, six hundred seventeen thousand, six hundred seventy-two".