161352792 has 24 divisors (see below), whose sum is σ = 436997340. Its totient is φ = 53784240.

The previous prime is 161352791. The next prime is 161352803. The reversal of 161352792 is 297253161.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161352791) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1120434 + ... + 1120577.

Almost surely, 2^161352792 is an apocalyptic number.

161352792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

161352792 is an abundant number, since it is smaller than the sum of its proper divisors (275644548).

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

161352792 is a wasteful number, since it uses less digits than its factorization.

161352792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241023 (or 2241016 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 161352792 is about 12702.4718854245. The cubic root of 161352792 is about 544.4092490677.

The spelling of 161352792 in words is "one hundred sixty-one million, three hundred fifty-two thousand, seven hundred ninety-two".