36618351758544 has 80 divisors (see below), whose sum is σ = 95021210896128. Its totient is φ = 12151534864896.

The previous prime is 36618351758537. The next prime is 36618351758551. The reversal of 36618351758544 is 44585715381663.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (36618351758537) and next prime (36618351758551).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9928969 + ... + 13108055.

Almost surely, 2^{36618351758544} is an apocalyptic number.

It is an amenable number.

36618351758544 is an abundant number, since it is smaller than the sum of its proper divisors (58402859137584).

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

36618351758544 is a wasteful number, since it uses less digits than its factorization.

36618351758544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3180172 (or 3180166 counting only the distinct ones).

The product of its digits is 290304000, while the sum is 66.

The spelling of 36618351758544 in words is "thirty-six trillion, six hundred eighteen billion, three hundred fifty-one million, seven hundred fifty-eight thousand, five hundred forty-four".