16081375 has 16 divisors (see below), whose sum is σ = 20247552. Its totient is φ = 12751200.

The previous prime is 16081367. The next prime is 16081381. The reversal of 16081375 is 57318061.

It is not a de Polignac number, because 16081375 - 2³ = 16081367 is a prime.

It is a super-2 number, since 2×16081375² = 517221243781250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15369 + ... + 16381.

It is an arithmetic number, because the mean of its divisors is an integer number (1265472).

Almost surely, 2^16081375 is an apocalyptic number.

16081375 is a deficient number, since it is larger than the sum of its proper divisors (4166177).

16081375 is a wasteful number, since it uses less digits than its factorization.

16081375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155 (or 1145 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 16081375 is about 4010.1589744049. The cubic root of 16081375 is about 252.4106797754.

The spelling of 16081375 in words is "sixteen million, eighty-one thousand, three hundred seventy-five".