16456312401 has 32 divisors (see below), whose sum is σ = 22754623488. Its totient is φ = 10573960320.

The previous prime is 16456312399. The next prime is 16456312417. The reversal of 16456312401 is 10421365461.

It is not a de Polignac number, because 16456312401 - 2¹ = 16456312399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16456312441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1859056 + ... + 1867886.

It is an arithmetic number, because the mean of its divisors is an integer number (711081984).

Almost surely, 2^16456312401 is an apocalyptic number.

It is an amenable number.

16456312401 is a deficient number, since it is larger than the sum of its proper divisors (6298311087).

16456312401 is a wasteful number, since it uses less digits than its factorization.

16456312401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9101.

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 16456312401 its reverse (10421365461), we get a palindrome (26877677862).

The spelling of 16456312401 in words is "sixteen billion, four hundred fifty-six million, three hundred twelve thousand, four hundred one".