16432957 has 4 divisors (see below), whose sum is σ = 16658140. Its totient is φ = 16207776.

The previous prime is 16432943. The next prime is 16432979. The reversal of 16432957 is 75923461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75923461 = 971 ⋅78191.

It can be written as a sum of positive squares in 2 ways, for example, as 4280761 + 12152196 = 2069^2 + 3486^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16432957 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 (16432907) 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, 112482 + ... + 112627.

It is an arithmetic number, because the mean of its divisors is an integer number (4164535).

Almost surely, 2^16432957 is an apocalyptic number.

It is an amenable number.

16432957 is a deficient number, since it is larger than the sum of its proper divisors (225183).

16432957 is an equidigital number, since it uses as much as digits as its factorization.

16432957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225182.

The product of its digits is 45360, while the sum is 37.

The square root of 16432957 is about 4053.7583795781. The cubic root of 16432957 is about 254.2368933002.

The spelling of 16432957 in words is "sixteen million, four hundred thirty-two thousand, nine hundred fifty-seven".