16147157 has 4 divisors (see below), whose sum is σ = 17389260. Its totient is φ = 14905056.

The previous prime is 16147147. The next prime is 16147163. The reversal of 16147157 is 75174161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75174161 = 71 ⋅1058791.

It can be written as a sum of positive squares in 2 ways, for example, as 1661521 + 14485636 = 1289^2 + 3806^2 .

It is a cyclic number.

It is not a de Polignac number, because 16147157 - 2⁸ = 16146901 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 (16147147) 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, 621032 + ... + 621057.

It is an arithmetic number, because the mean of its divisors is an integer number (4347315).

Almost surely, 2^16147157 is an apocalyptic number.

It is an amenable number.

16147157 is a deficient number, since it is larger than the sum of its proper divisors (1242103).

16147157 is a wasteful number, since it uses less digits than its factorization.

16147157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242102.

The product of its digits is 5880, while the sum is 32.

The square root of 16147157 is about 4018.3525231119. The cubic root of 16147157 is about 252.7543794610.

The spelling of 16147157 in words is "sixteen million, one hundred forty-seven thousand, one hundred fifty-seven".