16610057 has 4 divisors (see below), whose sum is σ = 16682820. Its totient is φ = 16537296.

The previous prime is 16610051. The next prime is 16610101. The reversal of 16610057 is 75001661.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14661241 + 1948816 = 3829^2 + 1396^2 .

It is a cyclic number.

It is not a de Polignac number, because 16610057 - 2⁶ = 16609993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16610051) 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, 36038 + ... + 36495.

It is an arithmetic number, because the mean of its divisors is an integer number (4170705).

Almost surely, 2^16610057 is an apocalyptic number.

It is an amenable number.

16610057 is a deficient number, since it is larger than the sum of its proper divisors (72763).

16610057 is an equidigital number, since it uses as much as digits as its factorization.

16610057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72762.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 16610057 is about 4075.5437674009. The cubic root of 16610057 is about 255.1469459341.

The spelling of 16610057 in words is "sixteen million, six hundred ten thousand, fifty-seven".