16707281979 has 16 divisors (see below), whose sum is σ = 22345558560. Its totient is φ = 11103628800.

The previous prime is 16707281891. The next prime is 16707282019. The reversal of 16707281979 is 97918270761.

It is not a de Polignac number, because 16707281979 - 2¹⁵ = 16707249211 is a prime.

It is a super-2 number, since 2×16707281979² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16707281779) 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, 3850099 + ... + 3854435.

It is an arithmetic number, because the mean of its divisors is an integer number (1396597410).

Almost surely, 2^16707281979 is an apocalyptic number.

16707281979 is a deficient number, since it is larger than the sum of its proper divisors (5638276581).

16707281979 is a wasteful number, since it uses less digits than its factorization.

16707281979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8030.

The product of its (nonzero) digits is 2667168, while the sum is 57.

The spelling of 16707281979 in words is "sixteen billion, seven hundred seven million, two hundred eighty-one thousand, nine hundred seventy-nine".