64446566014 has 4 divisors (see below), whose sum is σ = 96669849024. Its totient is φ = 32223283006.

The previous prime is 64446565949. The next prime is 64446566021. The reversal of 64446566014 is 41066564446.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16111641502 + ... + 16111641505.

It is an arithmetic number, because the mean of its divisors is an integer number (24167462256).

Almost surely, 2^64446566014 is an apocalyptic number.

64446566014 is a deficient number, since it is larger than the sum of its proper divisors (32223283010).

64446566014 is a wasteful number, since it uses less digits than its factorization.

64446566014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32223283009.

The product of its (nonzero) digits is 1658880, while the sum is 46.

The spelling of 64446566014 in words is "sixty-four billion, four hundred forty-six million, five hundred sixty-six thousand, fourteen".