16160644 has 6 divisors (see below), whose sum is σ = 28281134. Its totient is φ = 8080320.

The previous prime is 16160633. The next prime is 16160653. The reversal of 16160644 is 44606161.

It can be written as a sum of positive squares in only one way, i.e., 14976900 + 1183744 = 3870^2 + 1088^2 .

It is a super-2 number, since 2×16160644² = 522332828989472, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2020077 + ... + 2020084.

Almost surely, 2^16160644 is an apocalyptic number.

It is an amenable number.

16160644 is a deficient number, since it is larger than the sum of its proper divisors (12120490).

16160644 is a wasteful number, since it uses less digits than its factorization.

16160644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4040165 (or 4040163 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 16160644 is about 4020.0303481442. The cubic root of 16160644 is about 252.8247313638.

The spelling of 16160644 in words is "sixteen million, one hundred sixty thousand, six hundred forty-four".