36666973064 has 16 divisors (see below), whose sum is σ = 70608698700. Its totient is φ = 17837986752.

The previous prime is 36666973019. The next prime is 36666973069. The reversal of 36666973064 is 46037966663.

It can be written as a sum of positive squares in 2 ways, for example, as 30838872100 + 5828100964 = 175610^2 + 76342^2 .

It is a super-2 number, since 2×36666973064² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36666973069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61937159 + ... + 61937750.

Almost surely, 2^36666973064 is an apocalyptic number.

It is an amenable number.

36666973064 is a deficient number, since it is larger than the sum of its proper divisors (33941725636).

36666973064 is a wasteful number, since it uses less digits than its factorization.

36666973064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123874952 (or 123874948 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 56.

The spelling of 36666973064 in words is "thirty-six billion, six hundred sixty-six million, nine hundred seventy-three thousand, sixty-four".