15164661 has 16 divisors (see below), whose sum is σ = 20712960. Its totient is φ = 9865920.

The previous prime is 15164657. The next prime is 15164683. The reversal of 15164661 is 16646151.

It is not a de Polignac number, because 15164661 - 2² = 15164657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15164161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31420 + ... + 31898.

It is an arithmetic number, because the mean of its divisors is an integer number (1294560).

Almost surely, 2^15164661 is an apocalyptic number.

It is an amenable number.

15164661 is a deficient number, since it is larger than the sum of its proper divisors (5548299).

15164661 is a wasteful number, since it uses less digits than its factorization.

15164661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716.

The product of its digits is 4320, while the sum is 30.

The square root of 15164661 is about 3894.1829695072. The cubic root of 15164661 is about 247.5203452309.

The spelling of 15164661 in words is "fifteen million, one hundred sixty-four thousand, six hundred sixty-one".