161118294 has 8 divisors (see below), whose sum is σ = 322236600. Its totient is φ = 53706096.

The previous prime is 161118283. The next prime is 161118301. The reversal of 161118294 is 492811161.

161118294 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

161118294 is an admirable number.

It is a super-2 number, since 2×161118294² = 51918209322940872, which contains 22 as substring.

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, 13426519 + ... + 13426530.

It is an arithmetic number, because the mean of its divisors is an integer number (40279575).

Almost surely, 2^161118294 is an apocalyptic number.

161118294 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

161118294 is a wasteful number, since it uses less digits than its factorization.

161118294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26853054.

The product of its digits is 3456, while the sum is 33.

The square root of 161118294 is about 12693.2381211415. The cubic root of 161118294 is about 544.1453867287.

The spelling of 161118294 in words is "one hundred sixty-one million, one hundred eighteen thousand, two hundred ninety-four".