16456913 has 4 divisors (see below), whose sum is σ = 17953008. Its totient is φ = 14960820.

The previous prime is 16456903. The next prime is 16456943. The reversal of 16456913 is 31965461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16456913 - 2⁶ = 16456849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16456903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 748031 + ... + 748052.

It is an arithmetic number, because the mean of its divisors is an integer number (4488252).

Almost surely, 2^16456913 is an apocalyptic number.

It is an amenable number.

16456913 is a deficient number, since it is larger than the sum of its proper divisors (1496095).

16456913 is a wasteful number, since it uses less digits than its factorization.

16456913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496094.

The product of its digits is 19440, while the sum is 35.

The square root of 16456913 is about 4056.7120923230. The cubic root of 16456913 is about 254.3603756783.

It can be divided in two parts, 1645 and 6913, that added together give a palindrome (8558).

The spelling of 16456913 in words is "sixteen million, four hundred fifty-six thousand, nine hundred thirteen".