161269296 has 40 divisors (see below), whose sum is σ = 417227760. Its totient is φ = 53677056.

The previous prime is 161269289. The next prime is 161269331. The reversal of 161269296 is 692962161.

It is a happy number.

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, 36756 + ... + 40908.

It is an arithmetic number, because the mean of its divisors is an integer number (10430694).

Almost surely, 2^161269296 is an apocalyptic number.

161269296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

161269296 is an abundant number, since it is smaller than the sum of its proper divisors (255958464).

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

161269296 is a wasteful number, since it uses less digits than its factorization.

161269296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4973 (or 4967 counting only the distinct ones).

The product of its digits is 69984, while the sum is 42.

The square root of 161269296 is about 12699.1848557299. The cubic root of 161269296 is about 544.3153268468.

The spelling of 161269296 in words is "one hundred sixty-one million, two hundred sixty-nine thousand, two hundred ninety-six".