16455712401 has 24 divisors (see below), whose sum is σ = 23873952960. Its totient is φ = 10922305056.

The previous prime is 16455712373. The next prime is 16455712417. The reversal of 16455712401 is 10421755461.

16455712401 is a `hidden beast` number, since 1 + 6 + 45 + 571 + 2 + 40 + 1 = 666.

It is not a de Polignac number, because 16455712401 - 2²³ = 16447323793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16455712201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2183626 + ... + 2191148.

It is an arithmetic number, because the mean of its divisors is an integer number (994748040).

Almost surely, 2^16455712401 is an apocalyptic number.

It is an amenable number.

16455712401 is a deficient number, since it is larger than the sum of its proper divisors (7418240559).

16455712401 is a wasteful number, since it uses less digits than its factorization.

16455712401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8565 (or 8562 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The spelling of 16455712401 in words is "sixteen billion, four hundred fifty-five million, seven hundred twelve thousand, four hundred one".