15166401 has 16 divisors (see below), whose sum is σ = 20940480. Its totient is φ = 9757440.

The previous prime is 15166399. The next prime is 15166447. The reversal of 15166401 is 10466151.

It is not a de Polignac number, because 15166401 - 2¹ = 15166399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15166201) 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, 10821 + ... + 12141.

It is an arithmetic number, because the mean of its divisors is an integer number (1308780).

Almost surely, 2^15166401 is an apocalyptic number.

It is an amenable number.

15166401 is a deficient number, since it is larger than the sum of its proper divisors (5774079).

15166401 is a wasteful number, since it uses less digits than its factorization.

15166401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456.

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

The square root of 15166401 is about 3894.4063732487. The cubic root of 15166401 is about 247.5298117340.

The spelling of 15166401 in words is "fifteen million, one hundred sixty-six thousand, four hundred one".