161793374 has 8 divisors (see below), whose sum is σ = 242744040. Its totient is φ = 80878696.

The previous prime is 161793361. The next prime is 161793377. The reversal of 161793374 is 473397161.

161793374 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.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161793377) 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, 13052 + ... + 22224.

It is an arithmetic number, because the mean of its divisors is an integer number (30343005).

Almost surely, 2^161793374 is an apocalyptic number.

161793374 is a deficient number, since it is larger than the sum of its proper divisors (80950666).

161793374 is an equidigital number, since it uses as much as digits as its factorization.

161793374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17994.

The product of its digits is 95256, while the sum is 41.

The square root of 161793374 is about 12719.8024355727. The cubic root of 161793374 is about 544.9043111188.

The spelling of 161793374 in words is "one hundred sixty-one million, seven hundred ninety-three thousand, three hundred seventy-four".