66737406702 has 64 divisors (see below), whose sum is σ = 144907488000. Its totient is φ = 20408661504.

The previous prime is 66737406683. The next prime is 66737406713. The reversal of 66737406702 is 20760473766.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2173368 + ... + 2203860.

It is an arithmetic number, because the mean of its divisors is an integer number (2264179500).

Almost surely, 2^66737406702 is an apocalyptic number.

66737406702 is an abundant number, since it is smaller than the sum of its proper divisors (78170081298).

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

66737406702 is a wasteful number, since it uses less digits than its factorization.

66737406702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31057.

The product of its (nonzero) digits is 1778112, while the sum is 48.

The spelling of 66737406702 in words is "sixty-six billion, seven hundred thirty-seven million, four hundred six thousand, seven hundred two".