66413137480 has 64 divisors (see below), whose sum is σ = 150380375040. Its totient is φ = 26396673792.

The previous prime is 66413137471. The next prime is 66413137547. The reversal of 66413137480 is 8473131466.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4961757 + ... + 4975123.

It is an arithmetic number, because the mean of its divisors is an integer number (2349693360).

Almost surely, 2^66413137480 is an apocalyptic number.

It is an amenable number.

66413137480 is an abundant number, since it is smaller than the sum of its proper divisors (83967237560).

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

66413137480 is a wasteful number, since it uses less digits than its factorization.

66413137480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14158 (or 14154 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 66413137480 in words is "sixty-six billion, four hundred thirteen million, one hundred thirty-seven thousand, four hundred eighty".