66307964952 has 64 divisors (see below), whose sum is σ = 167843088000. Its totient is φ = 21826473984.

The previous prime is 66307964927. The next prime is 66307964969. The reversal of 66307964952 is 25946970366.

It is a junction number, because it is equal to n+sod(n) for n = 66307964892 and 66307964901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5350299 + ... + 5362677.

It is an arithmetic number, because the mean of its divisors is an integer number (2622548250).

Almost surely, 2^66307964952 is an apocalyptic number.

It is an amenable number.

66307964952 is an abundant number, since it is smaller than the sum of its proper divisors (101535123048).

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

66307964952 is a wasteful number, since it uses less digits than its factorization.

66307964952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15160 (or 15156 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 57.

The spelling of 66307964952 in words is "sixty-six billion, three hundred seven million, nine hundred sixty-four thousand, nine hundred fifty-two".