36657771044 has 6 divisors (see below), whose sum is σ = 64151099334. Its totient is φ = 18328885520.

The previous prime is 36657770983. The next prime is 36657771067. The reversal of 36657771044 is 44017775663.

It can be written as a sum of positive squares in only one way, i.e., 23082724900 + 13575046144 = 151930^2 + 116512^2 .

It is a junction number, because it is equal to n+sod(n) for n = 36657770983 and 36657771001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4582221377 + ... + 4582221384.

It is an arithmetic number, because the mean of its divisors is an integer number (10691849889).

Almost surely, 2^36657771044 is an apocalyptic number.

It is an amenable number.

36657771044 is a deficient number, since it is larger than the sum of its proper divisors (27493328290).

36657771044 is a wasteful number, since it uses less digits than its factorization.

36657771044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9164442765 (or 9164442763 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 50.

The spelling of 36657771044 in words is "thirty-six billion, six hundred fifty-seven million, seven hundred seventy-one thousand, forty-four".