16293810465 has 24 divisors (see below), whose sum is σ = 28251525120. Its totient is φ = 8687287584.

The previous prime is 16293810433. The next prime is 16293810479. The reversal of 16293810465 is 56401839261.

16293810465 is a `hidden beast` number, since 1 + 629 + 3 + 8 + 10 + 4 + 6 + 5 = 666.

It is not a de Polignac number, because 16293810465 - 2⁵ = 16293810433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 16293810465.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91104 + ... + 202206.

It is an arithmetic number, because the mean of its divisors is an integer number (1177146880).

Almost surely, 2^16293810465 is an apocalyptic number.

16293810465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16293810465 is a deficient number, since it is larger than the sum of its proper divisors (11957714655).

16293810465 is a wasteful number, since it uses less digits than its factorization.

16293810465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114373 (or 114370 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 16293810465 in words is "sixteen billion, two hundred ninety-three million, eight hundred ten thousand, four hundred sixty-five".