66130422320496 has 80 divisors (see below), whose sum is σ = 182104649715200. Its totient is φ = 20618945777664.

The previous prime is 66130422320399. The next prime is 66130422320497. The reversal of 66130422320496 is 69402322403166.

It is a super-2 number, since 2×66130422320496² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66130422320497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458861041 + ... + 459005136.

It is an arithmetic number, because the mean of its divisors is an integer number (2276308121440).

Almost surely, 2^{66130422320496} is an apocalyptic number.

It is an amenable number.

66130422320496 is an abundant number, since it is smaller than the sum of its proper divisors (115974227394704).

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

66130422320496 is a wasteful number, since it uses less digits than its factorization.

66130422320496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917866286 (or 917866280 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 48.

The spelling of 66130422320496 in words is "sixty-six trillion, one hundred thirty billion, four hundred twenty-two million, three hundred twenty thousand, four hundred ninety-six".