16371617568 has 48 divisors (see below), whose sum is σ = 43146776736. Its totient is φ = 5435456000.

The previous prime is 16371617533. The next prime is 16371617597. The reversal of 16371617568 is 86571617361.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 16371617568.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315621 + ... + 363812.

It is an arithmetic number, because the mean of its divisors is an integer number (898891182).

Almost surely, 2^16371617568 is an apocalyptic number.

It is an amenable number.

16371617568 is an abundant number, since it is smaller than the sum of its proper divisors (26775159168).

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

16371617568 is a wasteful number, since it uses less digits than its factorization.

16371617568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679697 (or 679689 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 51.

The spelling of 16371617568 in words is "sixteen billion, three hundred seventy-one million, six hundred seventeen thousand, five hundred sixty-eight".