16271573992 has 32 divisors (see below), whose sum is σ = 30737210400. Its totient is φ = 8075156544.

The previous prime is 16271573959. The next prime is 16271574023. The reversal of 16271573992 is 29937517261.

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, 772918 + ... + 793690.

It is an arithmetic number, because the mean of its divisors is an integer number (960537825).

Almost surely, 2^16271573992 is an apocalyptic number.

It is an amenable number.

16271573992 is a deficient number, since it is larger than the sum of its proper divisors (14465636408).

16271573992 is a wasteful number, since it uses less digits than its factorization.

16271573992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21505 (or 21501 counting only the distinct ones).

The product of its digits is 1428840, while the sum is 52.

The spelling of 16271573992 in words is "sixteen billion, two hundred seventy-one million, five hundred seventy-three thousand, nine hundred ninety-two".