36396651648 has 64 divisors (see below), whose sum is σ = 110489843520. Its totient is φ = 10399042560.

The previous prime is 36396651601. The next prime is 36396651673. The reversal of 36396651648 is 84615669363.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×36396651648² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6767523 + ... + 6772898.

It is an arithmetic number, because the mean of its divisors is an integer number (1726403805).

Almost surely, 2^36396651648 is an apocalyptic number.

It is an amenable number.

36396651648 is an abundant number, since it is smaller than the sum of its proper divisors (74093191872).

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

36396651648 is a wasteful number, since it uses less digits than its factorization.

36396651648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13540445 (or 13540433 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 57.

The spelling of 36396651648 in words is "thirty-six billion, three hundred ninety-six million, six hundred fifty-one thousand, six hundred forty-eight".