161180934 has 36 divisors (see below), whose sum is σ = 331506468. Its totient is φ = 52244640.

The previous prime is 161180879. The next prime is 161180947. The reversal of 161180934 is 439081161.

161180934 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161180934² = 51958586970224712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161180895 and 161180904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2207922 + ... + 2207994.

It is an arithmetic number, because the mean of its divisors is an integer number (9208513).

Almost surely, 2^161180934 is an apocalyptic number.

161180934 is an abundant number, since it is smaller than the sum of its proper divisors (170325534).

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

161180934 is an frugal number, since it uses more digits than its factorization.

161180934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 161180934 is about 12695.7053368452. The cubic root of 161180934 is about 544.2158956901.

The spelling of 161180934 in words is "one hundred sixty-one million, one hundred eighty thousand, nine hundred thirty-four".