66736703704 has 32 divisors (see below), whose sum is σ = 136579044240. Its totient is φ = 30318832000.

The previous prime is 66736703669. The next prime is 66736703707. The reversal of 66736703704 is 40730763766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66736703707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32179 + ... + 366754.

Almost surely, 2^66736703704 is an apocalyptic number.

It is an amenable number.

66736703704 is an abundant number, since it is smaller than the sum of its proper divisors (69842340536).

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

66736703704 is a wasteful number, since it uses less digits than its factorization.

66736703704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400851 (or 400847 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 49.

The spelling of 66736703704 in words is "sixty-six billion, seven hundred thirty-six million, seven hundred three thousand, seven hundred four".