161268798 has 16 divisors (see below), whose sum is σ = 323039376. Its totient is φ = 53672640.

The previous prime is 161268787. The next prime is 161268803. The reversal of 161268798 is 897862161.

161268798 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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, 16663 + ... + 24498.

It is an arithmetic number, because the mean of its divisors is an integer number (20189961).

Almost surely, 2^161268798 is an apocalyptic number.

161268798 is an abundant number, since it is smaller than the sum of its proper divisors (161770578).

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

161268798 is a wasteful number, since it uses less digits than its factorization.

161268798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41819.

The product of its digits is 290304, while the sum is 48.

The square root of 161268798 is about 12699.1652481571. The cubic root of 161268798 is about 544.3147665639.

The spelling of 161268798 in words is "one hundred sixty-one million, two hundred sixty-eight thousand, seven hundred ninety-eight".