16331641064 has 16 divisors (see below), whose sum is σ = 32233502400. Its totient is φ = 7736040432.

The previous prime is 16331641043. The next prime is 16331641087. The reversal of 16331641064 is 46014613361.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53722352 + ... + 53722655.

It is an arithmetic number, because the mean of its divisors is an integer number (2014593900).

Almost surely, 2^16331641064 is an apocalyptic number.

It is an amenable number.

16331641064 is a deficient number, since it is larger than the sum of its proper divisors (15901861336).

16331641064 is a wasteful number, since it uses less digits than its factorization.

16331641064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107445032 (or 107445028 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 16331641064 in words is "sixteen billion, three hundred thirty-one million, six hundred forty-one thousand, sixty-four".