161603848 has 16 divisors (see below), whose sum is σ = 346294080. Its totient is φ = 69258768.

The previous prime is 161603833. The next prime is 161603851. The reversal of 161603848 is 848306161.

It is a super-2 number, since 2×161603848² = 52231607376814208, which contains 22 as substring.

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, 1442836 + ... + 1442947.

It is an arithmetic number, because the mean of its divisors is an integer number (21643380).

Almost surely, 2^161603848 is an apocalyptic number.

It is an amenable number.

161603848 is an abundant number, since it is smaller than the sum of its proper divisors (184690232).

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

161603848 is a wasteful number, since it uses less digits than its factorization.

161603848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2885796 (or 2885792 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 161603848 is about 12712.3502154401. The cubic root of 161603848 is about 544.6914596213.

The spelling of 161603848 in words is "one hundred sixty-one million, six hundred three thousand, eight hundred forty-eight".