15161744492 has 12 divisors (see below), whose sum is σ = 27388958016. Its totient is φ = 7336327920.

The previous prime is 15161744483. The next prime is 15161744531. The reversal of 15161744492 is 29444716151.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61135943 + ... + 61136190.

It is an arithmetic number, because the mean of its divisors is an integer number (2282413168).

Almost surely, 2^15161744492 is an apocalyptic number.

It is an amenable number.

15161744492 is a deficient number, since it is larger than the sum of its proper divisors (12227213524).

15161744492 is a wasteful number, since it uses less digits than its factorization.

15161744492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122272168 (or 122272166 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The spelling of 15161744492 in words is "fifteen billion, one hundred sixty-one million, seven hundred forty-four thousand, four hundred ninety-two".