16854157 has 8 divisors (see below), whose sum is σ = 18281592. Its totient is φ = 15475200.

The previous prime is 16854139. The next prime is 16854161. The reversal of 16854157 is 75145861.

It can be written as a sum of positive squares in 4 ways, for example, as 2368521 + 14485636 = 1539^2 + 3806^2 .

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 16854157 - 2⁷ = 16854029 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 (16854757) 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, 11394 + ... + 12787.

It is an arithmetic number, because the mean of its divisors is an integer number (2285199).

Almost surely, 2^16854157 is an apocalyptic number.

16854157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

16854157 is a deficient number, since it is larger than the sum of its proper divisors (1427435).

16854157 is a wasteful number, since it uses less digits than its factorization.

16854157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24239.

The product of its digits is 33600, while the sum is 37.

The square root of 16854157 is about 4105.3814682682. The cubic root of 16854157 is about 256.3907454456.

The spelling of 16854157 in words is "sixteen million, eight hundred fifty-four thousand, one hundred fifty-seven".