66670036737368 has 128 divisors (see below), whose sum is σ = 135692649446400. Its totient is φ = 30589322102784.

The previous prime is 66670036737349. The next prime is 66670036737371. The reversal of 66670036737368 is 86373763007666.

It is a Harshad number since it is a multiple of its sum of digits (68).

It is a junction number, because it is equal to n+sod(n) for n = 66670036737298 and 66670036737307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3280511255 + ... + 3280531577.

It is an arithmetic number, because the mean of its divisors is an integer number (1060098823800).

Almost surely, 2^{66670036737368} is an apocalyptic number.

66670036737368 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

66670036737368 is an abundant number, since it is smaller than the sum of its proper divisors (69022612709032).

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

66670036737368 is a wasteful number, since it uses less digits than its factorization.

66670036737368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22329 (or 22325 counting only the distinct ones).

The product of its (nonzero) digits is 576108288, while the sum is 68.

The spelling of 66670036737368 in words is "sixty-six trillion, six hundred seventy billion, thirty-six million, seven hundred thirty-seven thousand, three hundred sixty-eight".