16194157 has 12 divisors (see below), whose sum is σ = 18960480. Its totient is φ = 13790616.

The previous prime is 16194133. The next prime is 16194161. The reversal of 16194157 is 75149161.

It is not a de Polignac number, because 16194157 - 2⁷ = 16194029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16194107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7194 + ... + 9172.

It is an arithmetic number, because the mean of its divisors is an integer number (1580040).

Almost surely, 2^16194157 is an apocalyptic number.

It is an amenable number.

16194157 is a deficient number, since it is larger than the sum of its proper divisors (2766323).

16194157 is a wasteful number, since it uses less digits than its factorization.

16194157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160 (or 2153 counting only the distinct ones).

The product of its digits is 7560, while the sum is 34.

The square root of 16194157 is about 4024.1964415272. The cubic root of 16194157 is about 252.9993750863. Note that the first 3 decimals are identical.

It can be divided in two parts, 1619 and 4157, that added together give a square (5776 = 76²).

The spelling of 16194157 in words is "sixteen million, one hundred ninety-four thousand, one hundred fifty-seven".