15617161 has 8 divisors (see below), whose sum is σ = 18624384. Its totient is φ = 12804000.

The previous prime is 15617153. The next prime is 15617179. The reversal of 15617161 is 16171651.

15617161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15617161 - 2³ = 15617153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15617131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48340 + ... + 48661.

It is an arithmetic number, because the mean of its divisors is an integer number (2328048).

Almost surely, 2^15617161 is an apocalyptic number.

It is an amenable number.

15617161 is a deficient number, since it is larger than the sum of its proper divisors (3007223).

15617161 is an equidigital number, since it uses as much as digits as its factorization.

15617161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97031.

The product of its digits is 1260, while the sum is 28.

The square root of 15617161 is about 3951.8553870302. The cubic root of 15617161 is about 249.9581850064.

The spelling of 15617161 in words is "fifteen million, six hundred seventeen thousand, one hundred sixty-one".