161379346 has 8 divisors (see below), whose sum is σ = 242140860. Its totient is φ = 80665728.

The previous prime is 161379299. The next prime is 161379347. The reversal of 161379346 is 643973161.

It can be written as a sum of positive squares in 2 ways, for example, as 149206225 + 12173121 = 12215^2 + 3489^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 161379299 and 161379308.

It is not an unprimeable number, because it can be changed into a prime (161379347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1831 + ... + 18058.

Almost surely, 2^161379346 is an apocalyptic number.

161379346 is a deficient number, since it is larger than the sum of its proper divisors (80761514).

161379346 is a wasteful number, since it uses less digits than its factorization.

161379346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23948.

The product of its digits is 81648, while the sum is 40.

The square root of 161379346 is about 12703.5170720553. The cubic root of 161379346 is about 544.4391120986.

The spelling of 161379346 in words is "one hundred sixty-one million, three hundred seventy-nine thousand, three hundred forty-six".