36618019974 has 32 divisors (see below), whose sum is σ = 81380371680. Its totient is φ = 12204957600.

The previous prime is 36618019973. The next prime is 36618019979. The reversal of 36618019974 is 47991081663.

36618019974 is a `hidden beast` number, since 3 + 6 + 618 + 0 + 19 + 9 + 7 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 36618019974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36618019973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 846184 + ... + 888404.

It is an arithmetic number, because the mean of its divisors is an integer number (2543136615).

Almost surely, 2^36618019974 is an apocalyptic number.

36618019974 is an abundant number, since it is smaller than the sum of its proper divisors (44762351706).

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

36618019974 is a wasteful number, since it uses less digits than its factorization.

36618019974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58293 (or 58287 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 36618019974 in words is "thirty-six billion, six hundred eighteen million, nineteen thousand, nine hundred seventy-four".