16900479861 has 16 divisors (see below), whose sum is σ = 22651409088. Its totient is φ = 11208412800.

The previous prime is 16900479859. The next prime is 16900479889. The reversal of 16900479861 is 16897400961.

It is a happy number.

It is not a de Polignac number, because 16900479861 - 2¹ = 16900479859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16900479821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462231 + ... + 497451.

It is an arithmetic number, because the mean of its divisors is an integer number (1415713068).

Almost surely, 2^16900479861 is an apocalyptic number.

It is an amenable number.

16900479861 is a deficient number, since it is larger than the sum of its proper divisors (5750929227).

16900479861 is a wasteful number, since it uses less digits than its factorization.

16900479861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36052.

The product of its (nonzero) digits is 653184, while the sum is 51.

It can be divided in two parts, 169004 and 79861, that added together give a triangular number (248865 = T₇₀₅).

The spelling of 16900479861 in words is "sixteen billion, nine hundred million, four hundred seventy-nine thousand, eight hundred sixty-one".