16456957 has 8 divisors (see below), whose sum is σ = 17985312. Its totient is φ = 14934000.

The previous prime is 16456943. The next prime is 16456961. The reversal of 16456957 is 75965461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16456957 - 2⁷ = 16456829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16456967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7707 + ... + 9607.

It is an arithmetic number, because the mean of its divisors is an integer number (2248164).

Almost surely, 2^16456957 is an apocalyptic number.

It is an amenable number.

16456957 is a deficient number, since it is larger than the sum of its proper divisors (1528355).

16456957 is a wasteful number, since it uses less digits than its factorization.

16456957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699.

The product of its digits is 226800, while the sum is 43.

The square root of 16456957 is about 4056.7175154304. The cubic root of 16456957 is about 254.3606023681.

It can be divided in two parts, 164 and 56957, that added together give a square (57121 = 239²).

The spelling of 16456957 in words is "sixteen million, four hundred fifty-six thousand, nine hundred fifty-seven".