36623744646 has 8 divisors (see below), whose sum is σ = 73247489304. Its totient is φ = 12207914880.

The previous prime is 36623744621. The next prime is 36623744653. The reversal of 36623744646 is 64644732663.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

36623744646 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3051978715 + ... + 3051978726.

It is an arithmetic number, because the mean of its divisors is an integer number (9155936163).

Almost surely, 2^36623744646 is an apocalyptic number.

36623744646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

36623744646 is a wasteful number, since it uses less digits than its factorization.

36623744646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6103957446.

The product of its digits is 10450944, while the sum is 51.

The spelling of 36623744646 in words is "thirty-six billion, six hundred twenty-three million, seven hundred forty-four thousand, six hundred forty-six".