161168942 has 24 divisors (see below), whose sum is σ = 280168200. Its totient is φ = 68946560.

The previous prime is 161168939. The next prime is 161168951. The reversal of 161168942 is 249861161.

It is a junction number, because it is equal to n+sod(n) for n = 161168896 and 161168905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6317 + ... + 19032.

It is an arithmetic number, because the mean of its divisors is an integer number (11673675).

Almost surely, 2^161168942 is an apocalyptic number.

161168942 is a deficient number, since it is larger than the sum of its proper divisors (118999258).

161168942 is a wasteful number, since it uses less digits than its factorization.

161168942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25396 (or 25379 counting only the distinct ones).

The product of its digits is 20736, while the sum is 38.

The square root of 161168942 is about 12695.2330423667. The cubic root of 161168942 is about 544.2023986453.

The spelling of 161168942 in words is "one hundred sixty-one million, one hundred sixty-eight thousand, nine hundred forty-two".