15161091 has 8 divisors (see below), whose sum is σ = 22052544. Its totient is φ = 9188520.

The previous prime is 15161089. The next prime is 15161099. The reversal of 15161091 is 19016151.

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

It is not a de Polignac number, because 15161091 - 2¹ = 15161089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15161099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229681 + ... + 229746.

It is an arithmetic number, because the mean of its divisors is an integer number (2756568).

Almost surely, 2^15161091 is an apocalyptic number.

15161091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

15161091 is a deficient number, since it is larger than the sum of its proper divisors (6891453).

15161091 is a wasteful number, since it uses less digits than its factorization.

15161091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459441.

The product of its (nonzero) digits is 270, while the sum is 24.

The square root of 15161091 is about 3893.7245665301. The cubic root of 15161091 is about 247.5009203108.

The spelling of 15161091 in words is "fifteen million, one hundred sixty-one thousand, ninety-one".