66737000367040 has 56 divisors (see below), whose sum is σ = 161094433990320. Its totient is φ = 26329117943808.

The previous prime is 66737000366999. The next prime is 66737000367071. The reversal of 66737000367040 is 4076300073766.

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, 1428422710 + ... + 1428469429.

Almost surely, 2^{66737000367040} is an apocalyptic number.

It is an amenable number.

66737000367040 is an abundant number, since it is smaller than the sum of its proper divisors (94357433623280).

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

66737000367040 is a wasteful number, since it uses less digits than its factorization.

66737000367040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856892229 (or 2856892219 counting only the distinct ones).

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

The spelling of 66737000367040 in words is "sixty-six trillion, seven hundred thirty-seven billion, three hundred sixty-seven thousand, forty".