16157952 has 54 divisors (see below), whose sum is σ = 46594002. Its totient is φ = 5385216.

The previous prime is 16157941. The next prime is 16157957. The reversal of 16157952 is 25975161.

It can be written as a sum of positive squares in only one way, i.e., 15492096 + 665856 = 3936^2 + 816^2 .

It is a super-2 number, since 2×16157952² = 522158825668608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16157957) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1203 + ... + 5810.

Almost surely, 2^16157952 is an apocalyptic number.

16157952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16157952 is an abundant number, since it is smaller than the sum of its proper divisors (30436050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16157952 is an equidigital number, since it uses as much as digits as its factorization.

16157952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7035 (or 7018 counting only the distinct ones).

The product of its digits is 18900, while the sum is 36.

The square root of 16157952 is about 4019.6955108565. The cubic root of 16157952 is about 252.8106922786.

The spelling of 16157952 in words is "sixteen million, one hundred fifty-seven thousand, nine hundred fifty-two".