16854104051 has 4 divisors (see below), whose sum is σ = 16854369672. Its totient is φ = 16853838432.

The previous prime is 16854104041. The next prime is 16854104053. The reversal of 16854104051 is 15040145861.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16854104051 is a prime.

It is a super-2 number, since 2×16854104051² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16854104053) 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, 24395 + ... + 185211.

It is an arithmetic number, because the mean of its divisors is an integer number (4213592418).

Almost surely, 2^16854104051 is an apocalyptic number.

16854104051 is a deficient number, since it is larger than the sum of its proper divisors (265621).

16854104051 is a wasteful number, since it uses less digits than its factorization.

16854104051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265620.

The product of its (nonzero) digits is 19200, while the sum is 35.

The spelling of 16854104051 in words is "sixteen billion, eight hundred fifty-four million, one hundred four thousand, fifty-one".