36664914978 has 64 divisors (see below), whose sum is σ = 83513157120. Its totient is φ = 11918192256.

The previous prime is 36664914967. The next prime is 36664914989. The reversal of 36664914978 is 87941946663.

It is an interprime number because it is at equal distance from previous prime (36664914967) and next prime (36664914989).

Its product of digits (47029248) is a multiple of the sum of its prime factors (52488).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 676950 + ... + 729102.

It is an arithmetic number, because the mean of its divisors is an integer number (1304893080).

Almost surely, 2^36664914978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36664914978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41756578560).

36664914978 is an abundant number, since it is smaller than the sum of its proper divisors (46848242142).

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

36664914978 is a wasteful number, since it uses less digits than its factorization.

36664914978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52488 (or 52482 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 63.

The spelling of 36664914978 in words is "thirty-six billion, six hundred sixty-four million, nine hundred fourteen thousand, nine hundred seventy-eight".