16856000501 has 8 divisors (see below), whose sum is σ = 17590297920. Its totient is φ = 16121822112.

The previous prime is 16856000489. The next prime is 16856000509. The reversal of 16856000501 is 10500065861.

It is a happy number.

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 16856000501 - 2²² = 16851806197 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 (16856000509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379601 + ... + 421673.

It is an arithmetic number, because the mean of its divisors is an integer number (2198787240).

Almost surely, 2^16856000501 is an apocalyptic number.

It is an amenable number.

16856000501 is a deficient number, since it is larger than the sum of its proper divisors (734297419).

16856000501 is a wasteful number, since it uses less digits than its factorization.

16856000501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59515.

The product of its (nonzero) digits is 7200, while the sum is 32.

The spelling of 16856000501 in words is "sixteen billion, eight hundred fifty-six million, five hundred one", and thus it is an aban number.