161473366 has 8 divisors (see below), whose sum is σ = 242380440. Its totient is φ = 80679888.

The previous prime is 161473349. The next prime is 161473373. The reversal of 161473366 is 663374161.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24751 + ... + 30586.

It is an arithmetic number, because the mean of its divisors is an integer number (30297555).

Almost surely, 2^161473366 is an apocalyptic number.

161473366 is a deficient number, since it is larger than the sum of its proper divisors (80907074).

161473366 is a wasteful number, since it uses less digits than its factorization.

161473366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56798.

The product of its digits is 54432, while the sum is 37.

The square root of 161473366 is about 12707.2170832169. The cubic root of 161473366 is about 544.5448220898.

The spelling of 161473366 in words is "one hundred sixty-one million, four hundred seventy-three thousand, three hundred sixty-six".