36561207166 has 16 divisors (see below), whose sum is σ = 60161667840. Its totient is φ = 16525886680.

The previous prime is 36561207157. The next prime is 36561207181. The reversal of 36561207166 is 66170216563.

It is a congruent number.

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, 4638166 + ... + 4646041.

It is an arithmetic number, because the mean of its divisors is an integer number (3760104240).

Almost surely, 2^36561207166 is an apocalyptic number.

36561207166 is a deficient number, since it is larger than the sum of its proper divisors (23600460674).

36561207166 is a wasteful number, since it uses less digits than its factorization.

36561207166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9284399.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 36561207166 in words is "thirty-six billion, five hundred sixty-one million, two hundred seven thousand, one hundred sixty-six".