161194496 has 80 divisors (see below), whose sum is σ = 338359296. Its totient is φ = 76640256.

The previous prime is 161194489. The next prime is 161194507. The reversal of 161194496 is 694491161.

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, 1269185 + ... + 1269311.

Almost surely, 2^161194496 is an apocalyptic number.

161194496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161194496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169179648).

161194496 is an abundant number, since it is smaller than the sum of its proper divisors (177164800).

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

161194496 is an equidigital number, since it uses as much as digits as its factorization.

161194496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 233 counting only the distinct ones).

The product of its digits is 46656, while the sum is 41.

The square root of 161194496 is about 12696.2394432367. The cubic root of 161194496 is about 544.2311589697.

The spelling of 161194496 in words is "one hundred sixty-one million, one hundred ninety-four thousand, four hundred ninety-six".