16166925 has 48 divisors (see below), whose sum is σ = 30444480. Its totient is φ = 8406720.

The previous prime is 16166911. The next prime is 16166933. The reversal of 16166925 is 52966161.

16166925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16166925 - 2¹² = 16162829 is a prime.

It is a super-2 number, since 2×16166925² = 522738927911250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16166925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28747 + ... + 29303.

It is an arithmetic number, because the mean of its divisors is an integer number (634260).

Almost surely, 2^16166925 is an apocalyptic number.

16166925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16166925 is a deficient number, since it is larger than the sum of its proper divisors (14277555).

16166925 is a wasteful number, since it uses less digits than its factorization.

16166925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619 (or 608 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 16166925 is about 4020.8114852602. The cubic root of 16166925 is about 252.8574814293.

The spelling of 16166925 in words is "sixteen million, one hundred sixty-six thousand, nine hundred twenty-five".