66740763330 has 48 divisors (see below), whose sum is σ = 173546328384. Its totient is φ = 17795450400.

The previous prime is 66740763311. The next prime is 66740763413. The reversal of 66740763330 is 3336704766.

66740763330 is a `hidden beast` number, since 6 + 6 + 7 + 4 + 0 + 7 + 633 + 3 + 0 = 666.

66740763330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 824155 + ... + 901505.

It is an arithmetic number, because the mean of its divisors is an integer number (3615548508).

Almost surely, 2^66740763330 is an apocalyptic number.

66740763330 is an abundant number, since it is smaller than the sum of its proper divisors (106805565054).

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

66740763330 is a wasteful number, since it uses less digits than its factorization.

66740763330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86951 (or 86948 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 45.

The spelling of 66740763330 in words is "sixty-six billion, seven hundred forty million, seven hundred sixty-three thousand, three hundred thirty".