16160625 has 90 divisors (see below), whose sum is σ = 33443982. Its totient is φ = 7488000.

The previous prime is 16160611. The next prime is 16160629. The reversal of 16160625 is 52606161.

16160625 = 40³ + 41³ + ... + 90³.

It is a happy number.

It can be written as a sum of positive squares in 15 ways, for example, as 15872256 + 288369 = 3984^2 + 537^2 .

It is not a de Polignac number, because 16160625 - 2⁴ = 16160609 is a prime.

It is a super-2 number, since 2×16160625² = 522331600781250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16160629) by changing a digit.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 950617 + ... + 950633.

Almost surely, 2^16160625 is an apocalyptic number.

16160625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16160625 is an abundant number, since it is smaller than the sum of its proper divisors (17283357).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16160625 is a wasteful number, since it uses less digits than its factorization.

16160625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 16160625 is about 4020.0279849772. The cubic root of 16160625 is about 252.8246322821.

Adding to 16160625 its reverse (52606161), we get a palindrome (68766786).

The spelling of 16160625 in words is "sixteen million, one hundred sixty thousand, six hundred twenty-five".