161188414 has 8 divisors (see below), whose sum is σ = 242867520. Its totient is φ = 80232576.

The previous prime is 161188411. The next prime is 161188429. The reversal of 161188414 is 414881161.

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

It is a self number, because there is not a number n which added to its sum of digits gives 161188414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161188411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180259 + ... + 181150.

It is an arithmetic number, because the mean of its divisors is an integer number (30358440).

Almost surely, 2^161188414 is an apocalyptic number.

161188414 is a deficient number, since it is larger than the sum of its proper divisors (81679106).

161188414 is a wasteful number, since it uses less digits than its factorization.

161188414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361634.

The product of its digits is 6144, while the sum is 34.

The square root of 161188414 is about 12695.9999212350. Note that the first 4 decimals coincide. The cubic root of 161188414 is about 544.2243141216.

The spelling of 161188414 in words is "one hundred sixty-one million, one hundred eighty-eight thousand, four hundred fourteen".