161796096 has 416 divisors, whose sum is σ = 629068800. Its totient is φ = 39813120.

The previous prime is 161796083. The next prime is 161796101. The reversal of 161796096 is 690697161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8515575 + ... + 8515593.

Almost surely, 2^161796096 is an apocalyptic number.

161796096 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 161796096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314534400).

161796096 is an abundant number, since it is smaller than the sum of its proper divisors (467272704).

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

161796096 is a wasteful number, since it uses less digits than its factorization.

161796096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 161796096 is about 12719.9094336398. The cubic root of 161796096 is about 544.9073669119.

The spelling of 161796096 in words is "one hundred sixty-one million, seven hundred ninety-six thousand, ninety-six".