16415934465 has 32 divisors (see below), whose sum is σ = 30087438336. Its totient is φ = 7486994880.

The previous prime is 16415934433. The next prime is 16415934473. The reversal of 16415934465 is 56443951461.

It is a happy number.

It is not a de Polignac number, because 16415934465 - 2⁵ = 16415934433 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136117 + ... + 226626.

It is an arithmetic number, because the mean of its divisors is an integer number (940232448).

Almost surely, 2^16415934465 is an apocalyptic number.

16415934465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16415934465 is a deficient number, since it is larger than the sum of its proper divisors (13671503871).

16415934465 is a wasteful number, since it uses less digits than its factorization.

16415934465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363189.

The product of its digits is 1555200, while the sum is 48.

The spelling of 16415934465 in words is "sixteen billion, four hundred fifteen million, nine hundred thirty-four thousand, four hundred sixty-five".