161030592 has 70 divisors (see below), whose sum is σ = 477360488. Its totient is φ = 53675136.

The previous prime is 161030581. The next prime is 161030593. The reversal of 161030592 is 295030161.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161030593) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10348 + ... + 20715.

Almost surely, 2^161030592 is an apocalyptic number.

161030592 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

161030592 is an abundant number, since it is smaller than the sum of its proper divisors (316329896).

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

161030592 is an equidigital number, since it uses as much as digits as its factorization.

161030592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31087 (or 31068 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 161030592 is about 12689.7829768677. The cubic root of 161030592 is about 544.0466367169.

The spelling of 161030592 in words is "one hundred sixty-one million, thirty thousand, five hundred ninety-two".