161348896 has 24 divisors (see below), whose sum is σ = 317939580. Its totient is φ = 80602368.

The previous prime is 161348881. The next prime is 161348903. The reversal of 161348896 is 698843161.

It can be written as a sum of positive squares in 2 ways, for example, as 160275600 + 1073296 = 12660^2 + 1036^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64990 + ... + 67426.

Almost surely, 2^161348896 is an apocalyptic number.

161348896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

161348896 is a deficient number, since it is larger than the sum of its proper divisors (156590684).

161348896 is a wasteful number, since it uses less digits than its factorization.

161348896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4516 (or 4508 counting only the distinct ones).

The product of its digits is 248832, while the sum is 46.

The square root of 161348896 is about 12702.3185285207. The cubic root of 161348896 is about 544.4048672914.

The spelling of 161348896 in words is "one hundred sixty-one million, three hundred forty-eight thousand, eight hundred ninety-six".