161202928 has 20 divisors (see below), whose sum is σ = 312663520. Its totient is φ = 80515584.

The previous prime is 161202917. The next prime is 161202971. The reversal of 161202928 is 829202161.

161202928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 161202928.

It is a congruent number.

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, 11776 + ... + 21472.

It is an arithmetic number, because the mean of its divisors is an integer number (15633176).

Almost surely, 2^161202928 is an apocalyptic number.

It is an amenable number.

161202928 is a deficient number, since it is larger than the sum of its proper divisors (151460592).

161202928 is a wasteful number, since it uses less digits than its factorization.

161202928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10744 (or 10738 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 161202928 is about 12696.5715057255. The cubic root of 161202928 is about 544.2406482869.

The spelling of 161202928 in words is "one hundred sixty-one million, two hundred two thousand, nine hundred twenty-eight".