36661392560 has 40 divisors (see below), whose sum is σ = 91794489360. Its totient is φ = 13536513792.

The previous prime is 36661392533. The next prime is 36661392611. The reversal of 36661392560 is 6529316663.

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 17624630 + ... + 17626709.

It is an arithmetic number, because the mean of its divisors is an integer number (2294862234).

Almost surely, 2^36661392560 is an apocalyptic number.

It is an amenable number.

36661392560 is an abundant number, since it is smaller than the sum of its proper divisors (55133096800).

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

36661392560 is a wasteful number, since it uses less digits than its factorization.

36661392560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35251365 (or 35251359 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 47.

The spelling of 36661392560 in words is "thirty-six billion, six hundred sixty-one million, three hundred ninety-two thousand, five hundred sixty".