9161123292 has 18 divisors (see below), whose sum is σ = 23157283968. Its totient is φ = 3053707752.

The previous prime is 9161123273. The next prime is 9161123311. The reversal of 9161123292 is 2923211619.

9161123292 is a `hidden beast` number, since 9 + 1 + 611 + 2 + 32 + 9 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (9161123273) and next prime (9161123311).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 254475647 = 9161123292 / (9 + 1 + 6 + 1 + 1 + 2 + 3 + 2 + 9 + 2).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 127237788 + ... + 127237859.

It is an arithmetic number, because the mean of its divisors is an integer number (1286515776).

Almost surely, 2^9161123292 is an apocalyptic number.

It is an amenable number.

9161123292 is an abundant number, since it is smaller than the sum of its proper divisors (13996160676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9161123292 is a wasteful number, since it uses less digits than its factorization.

9161123292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254475657 (or 254475652 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 9161123292 is about 95713.7570676233. The cubic root of 9161123292 is about 2092.4234376307.

The spelling of 9161123292 in words is "nine billion, one hundred sixty-one million, one hundred twenty-three thousand, two hundred ninety-two".