16157193 has 16 divisors (see below), whose sum is σ = 23444736. Its totient is φ = 9838080.

The previous prime is 16157189. The next prime is 16157213. The reversal of 16157193 is 39175161.

It is a happy number.

It is not a de Polignac number, because 16157193 - 2² = 16157189 is a prime.

It is a super-2 number, since 2×16157193² = 522109771278498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16157093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1648 + ... + 5918.

It is an arithmetic number, because the mean of its divisors is an integer number (1465296).

Almost surely, 2^16157193 is an apocalyptic number.

16157193 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16157193 is a deficient number, since it is larger than the sum of its proper divisors (7287543).

16157193 is a wasteful number, since it uses less digits than its factorization.

16157193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4384.

The product of its digits is 5670, while the sum is 33.

The square root of 16157193 is about 4019.6010996118. The cubic root of 16157193 is about 252.8067337258.

The spelling of 16157193 in words is "sixteen million, one hundred fifty-seven thousand, one hundred ninety-three".