16078125 has 56 divisors (see below), whose sum is σ = 31249600. Its totient is φ = 7350000.

The previous prime is 16078037. The next prime is 16078129. The reversal of 16078125 is 52187061.

It is an ABA number since it can be written as A⋅B^A, here for A=3, B=175.

It is not a de Polignac number, because 16078125 - 2⁹ = 16077613 is a prime.

It is a super-2 number, since 2×16078125² = 517012207031250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16078092 and 16078101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16078129) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 2296872 + ... + 2296878.

Almost surely, 2^16078125 is an apocalyptic number.

16078125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16078125 is a deficient number, since it is larger than the sum of its proper divisors (15171475).

16078125 is an frugal number, since it uses more digits than its factorization.

16078125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54 (or 15 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 16078125 is about 4009.7537330864. The cubic root of 16078125 is about 252.3936748038.

The spelling of 16078125 in words is "sixteen million, seventy-eight thousand, one hundred twenty-five".