16402979005 has 32 divisors (see below), whose sum is σ = 23404216320. Its totient is φ = 10799127360.

The previous prime is 16402978979. The next prime is 16402979027. The reversal of 16402979005 is 50097920461.

It is a happy number.

It is not a de Polignac number, because 16402979005 - 2¹¹ = 16402976957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78276 + ... + 197314.

It is an arithmetic number, because the mean of its divisors is an integer number (731381760).

Almost surely, 2^16402979005 is an apocalyptic number.

It is an amenable number.

16402979005 is a deficient number, since it is larger than the sum of its proper divisors (7001237315).

16402979005 is a wasteful number, since it uses less digits than its factorization.

16402979005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119209.

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 16402979005 in words is "sixteen billion, four hundred two million, nine hundred seventy-nine thousand, five".