36660606666 has 16 divisors (see below), whose sum is σ = 77180224800. Its totient is φ = 11577033648.

The previous prime is 36660606649. The next prime is 36660606673. The reversal of 36660606666 is 66660606663.

It is a super-2 number, since 2×36660606666² (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, 160792021 + ... + 160792248.

It is an arithmetic number, because the mean of its divisors is an integer number (4823764050).

Almost surely, 2^36660606666 is an apocalyptic number.

36660606666 is an abundant number, since it is smaller than the sum of its proper divisors (40519618134).

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

36660606666 is a wasteful number, since it uses less digits than its factorization.

36660606666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321584293.

The product of its (nonzero) digits is 5038848, while the sum is 51.

The spelling of 36660606666 in words is "thirty-six billion, six hundred sixty million, six hundred six thousand, six hundred sixty-six".