16152261 has 32 divisors (see below), whose sum is σ = 24422400. Its totient is φ = 9434880.

The previous prime is 16152247. The next prime is 16152263. The reversal of 16152261 is 16225161.

It is not a de Polignac number, because 16152261 - 2⁵ = 16152229 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16152263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76446 + ... + 76656.

It is an arithmetic number, because the mean of its divisors is an integer number (763200).

Almost surely, 2^16152261 is an apocalyptic number.

It is an amenable number.

16152261 is a deficient number, since it is larger than the sum of its proper divisors (8270139).

16152261 is a wasteful number, since it uses less digits than its factorization.

16152261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329.

The product of its digits is 720, while the sum is 24.

The square root of 16152261 is about 4018.9875590750. The cubic root of 16152261 is about 252.7810079350.

Subtracting 16152261 from its reverse (16225161), we obtain a square (72900 = 270²).

The spelling of 16152261 in words is "sixteen million, one hundred fifty-two thousand, two hundred sixty-one".