16309959982 has 32 divisors (see below), whose sum is σ = 25650535680. Its totient is φ = 7770497280.

The previous prime is 16309959943. The next prime is 16309959997. The reversal of 16309959982 is 28995990361.

It is a super-2 number, since 2×16309959982² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16309959982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 960744 + ... + 977572.

It is an arithmetic number, because the mean of its divisors is an integer number (801579240).

Almost surely, 2^16309959982 is an apocalyptic number.

16309959982 is a deficient number, since it is larger than the sum of its proper divisors (9340575698).

16309959982 is a wasteful number, since it uses less digits than its factorization.

16309959982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17148.

The product of its (nonzero) digits is 9447840, while the sum is 61.

The spelling of 16309959982 in words is "sixteen billion, three hundred nine million, nine hundred fifty-nine thousand, nine hundred eighty-two".