16391871250608 has 80 divisors (see below), whose sum is σ = 51241816028160. Its totient is φ = 4407898149888.

The previous prime is 16391871250607. The next prime is 16391871250631. The reversal of 16391871250608 is 80605217819361.

It is not an unprimeable number, because it can be changed into a prime (16391871250603) 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, 1434856968 + ... + 1434868391.

It is an arithmetic number, because the mean of its divisors is an integer number (640522700352).

Almost surely, 2^{16391871250608} is an apocalyptic number.

It is an amenable number.

16391871250608 is an abundant number, since it is smaller than the sum of its proper divisors (34849944777552).

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

16391871250608 is a wasteful number, since it uses less digits than its factorization.

16391871250608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869725394 (or 2869725388 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 57.

The spelling of 16391871250608 in words is "sixteen trillion, three hundred ninety-one billion, eight hundred seventy-one million, two hundred fifty thousand, six hundred eight".