66736740037332 has 12 divisors (see below), whose sum is σ = 155719060087136. Its totient is φ = 22245580012440.

The previous prime is 66736740037301. The next prime is 66736740037349. The reversal of 66736740037332 is 23373004763766.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2780697501544 + ... + 2780697501567.

Almost surely, 2^{66736740037332} is an apocalyptic number.

It is an amenable number.

66736740037332 is an abundant number, since it is smaller than the sum of its proper divisors (88982320049804).

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

66736740037332 is a wasteful number, since it uses less digits than its factorization.

66736740037332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5561395003118 (or 5561395003116 counting only the distinct ones).

The product of its (nonzero) digits is 48009024, while the sum is 57.

The spelling of 66736740037332 in words is "sixty-six trillion, seven hundred thirty-six billion, seven hundred forty million, thirty-seven thousand, three hundred thirty-two".