36520456666 has 32 divisors (see below), whose sum is σ = 58363804800. Its totient is φ = 17102959104.

The previous prime is 36520456633. The next prime is 36520456667. The reversal of 36520456666 is 66665402563.

It is not an unprimeable number, because it can be changed into a prime (36520456667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389110 + ... + 473758.

It is an arithmetic number, because the mean of its divisors is an integer number (1823868900).

Almost surely, 2^36520456666 is an apocalyptic number.

36520456666 is a deficient number, since it is larger than the sum of its proper divisors (21843348134).

36520456666 is a wasteful number, since it uses less digits than its factorization.

36520456666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84870.

The product of its (nonzero) digits is 4665600, while the sum is 49.

The spelling of 36520456666 in words is "thirty-six billion, five hundred twenty million, four hundred fifty-six thousand, six hundred sixty-six".