16157255 has 4 divisors (see below), whose sum is σ = 19388712. Its totient is φ = 12925800.

The previous prime is 16157243. The next prime is 16157269. The reversal of 16157255 is 55275161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55275161 = 19 ⋅2909219.

It is not a de Polignac number, because 16157255 - 2²⁰ = 15108679 is a prime.

It is a super-2 number, since 2×16157255² = 522113778270050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1615721 + ... + 1615730.

It is an arithmetic number, because the mean of its divisors is an integer number (4847178).

Almost surely, 2^16157255 is an apocalyptic number.

16157255 is a deficient number, since it is larger than the sum of its proper divisors (3231457).

16157255 is an equidigital number, since it uses as much as digits as its factorization.

16157255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3231456.

The product of its digits is 10500, while the sum is 32.

The square root of 16157255 is about 4019.6088118124. The cubic root of 16157255 is about 252.8070570905.

The spelling of 16157255 in words is "sixteen million, one hundred fifty-seven thousand, two hundred fifty-five".