161434346 has 16 divisors (see below), whose sum is σ = 257748480. Its totient is φ = 75568320.

The previous prime is 161434321. The next prime is 161434349. The reversal of 161434346 is 643434161.

It is a super-2 number, since 2×161434346² = 52122096136895432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (161434349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5936 + ... + 18923.

It is an arithmetic number, because the mean of its divisors is an integer number (16109280).

Almost surely, 2^161434346 is an apocalyptic number.

161434346 is a deficient number, since it is larger than the sum of its proper divisors (96314134).

161434346 is a wasteful number, since it uses less digits than its factorization.

161434346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25069.

The product of its digits is 20736, while the sum is 32.

The square root of 161434346 is about 12705.6816424779. The cubic root of 161434346 is about 544.5009555145.

The spelling of 161434346 in words is "one hundred sixty-one million, four hundred thirty-four thousand, three hundred forty-six".