16208471983 has 16 divisors (see below), whose sum is σ = 18298368000. Its totient is φ = 14221680480.

The previous prime is 16208471977. The next prime is 16208472023. The reversal of 16208471983 is 38917480261.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16208471983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16208477983) 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, 1058818 + ... + 1074016.

It is an arithmetic number, because the mean of its divisors is an integer number (1143648000).

Almost surely, 2^16208471983 is an apocalyptic number.

16208471983 is a deficient number, since it is larger than the sum of its proper divisors (2089896017).

16208471983 is a wasteful number, since it uses less digits than its factorization.

16208471983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18582.

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 16208471983 in words is "sixteen billion, two hundred eight million, four hundred seventy-one thousand, nine hundred eighty-three".