161163392 has 64 divisors (see below), whose sum is σ = 360884160. Its totient is φ = 71132160.

The previous prime is 161163371. The next prime is 161163413. The reversal of 161163392 is 293361161.

It is an interprime number because it is at equal distance from previous prime (161163371) and next prime (161163413).

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36167 + ... + 40377.

It is an arithmetic number, because the mean of its divisors is an integer number (5638815).

Almost surely, 2^161163392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161163392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180442080).

161163392 is an abundant number, since it is smaller than the sum of its proper divisors (199720768).

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

161163392 is a wasteful number, since it uses less digits than its factorization.

161163392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4261 (or 4249 counting only the distinct ones).

The product of its digits is 5832, while the sum is 32.

The square root of 161163392 is about 12695.0144545014. The cubic root of 161163392 is about 544.1961518711.

The spelling of 161163392 in words is "one hundred sixty-one million, one hundred sixty-three thousand, three hundred ninety-two".