64966933966946 has 32 divisors (see below), whose sum is σ = 106989472717632. Its totient is φ = 29341560980160.

The previous prime is 64966933966933. The next prime is 64966933966973.

64966933966946 is nontrivially palindromic in base 10.

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, 143138600 + ... + 143591756.

It is an arithmetic number, because the mean of its divisors is an integer number (3343421022426).

Almost surely, 2^{64966933966946} is an apocalyptic number.

64966933966946 is a deficient number, since it is larger than the sum of its proper divisors (42022538750686).

64966933966946 is a wasteful number, since it uses less digits than its factorization.

64966933966946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494834.

The product of its digits is 44079842304, while the sum is 86.

The spelling of 64966933966946 in words is "sixty-four trillion, nine hundred sixty-six billion, nine hundred thirty-three million, nine hundred sixty-six thousand, nine hundred forty-six".