66307964901 has 16 divisors (see below), whose sum is σ = 89224396800. Its totient is φ = 43799474160.

The previous prime is 66307964873. The next prime is 66307964903. The reversal of 66307964901 is 10946970366.

It is not a de Polignac number, because 66307964901 - 2²⁷ = 66173747173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66307964903) 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, 121500 + ... + 383898.

It is an arithmetic number, because the mean of its divisors is an integer number (5576524800).

Almost surely, 2^66307964901 is an apocalyptic number.

It is an amenable number.

66307964901 is a deficient number, since it is larger than the sum of its proper divisors (22916431899).

66307964901 is a wasteful number, since it uses less digits than its factorization.

66307964901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263176.

The product of its (nonzero) digits is 1469664, while the sum is 51.

The spelling of 66307964901 in words is "sixty-six billion, three hundred seven million, nine hundred sixty-four thousand, nine hundred one".