161944354 has 32 divisors (see below), whose sum is σ = 286602624. Its totient is φ = 67658880.

The previous prime is 161944337. The next prime is 161944361. The reversal of 161944354 is 453449161.

161944354 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74142 + ... + 76294.

It is an arithmetic number, because the mean of its divisors is an integer number (8956332).

Almost surely, 2^161944354 is an apocalyptic number.

161944354 is a deficient number, since it is larger than the sum of its proper divisors (124658270).

161944354 is a wasteful number, since it uses less digits than its factorization.

161944354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442.

The product of its digits is 51840, while the sum is 37.

The square root of 161944354 is about 12725.7358922775. The cubic root of 161944354 is about 545.0737537310.

The spelling of 161944354 in words is "one hundred sixty-one million, nine hundred forty-four thousand, three hundred fifty-four".