16964210465 has 8 divisors (see below), whose sum is σ = 20368519080. Its totient is φ = 13563724032.

The previous prime is 16964210453. The next prime is 16964210513. The reversal of 16964210465 is 56401246961.

It can be written as a sum of positive squares in 4 ways, for example, as 898140961 + 16066069504 = 29969^2 + 126752^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16964210465 - 2⁸ = 16964210209 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 945770 + ... + 963539.

It is an arithmetic number, because the mean of its divisors is an integer number (2546064885).

Almost surely, 2^16964210465 is an apocalyptic number.

It is an amenable number.

16964210465 is a deficient number, since it is larger than the sum of its proper divisors (3404308615).

16964210465 is a wasteful number, since it uses less digits than its factorization.

16964210465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911091.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 16964210465 in words is "sixteen billion, nine hundred sixty-four million, two hundred ten thousand, four hundred sixty-five".