66763715714004 has 24 divisors (see below), whose sum is σ = 155782663561728. Its totient is φ = 22254477586240.

The previous prime is 66763715713993. The next prime is 66763715714021. The reversal of 66763715714004 is 40041751736766.

It is a congruent number.

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, 8810292 + ... + 14530955.

It is an arithmetic number, because the mean of its divisors is an integer number (6490944315072).

Almost surely, 2^{66763715714004} is an apocalyptic number.

It is an amenable number.

66763715714004 is an abundant number, since it is smaller than the sum of its proper divisors (89018947847724).

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

66763715714004 is a wasteful number, since it uses less digits than its factorization.

66763715714004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23579615 (or 23579613 counting only the distinct ones).

The product of its (nonzero) digits is 17781120, while the sum is 57.

The spelling of 66763715714004 in words is "sixty-six trillion, seven hundred sixty-three billion, seven hundred fifteen million, seven hundred fourteen thousand, four".