161463412 has 72 divisors (see below), whose sum is σ = 329988960. Its totient is φ = 68486400.

The previous prime is 161463391. The next prime is 161463451. The reversal of 161463412 is 214364161.

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 23 ways as a sum of consecutive naturals, for example, 2736639 + ... + 2736697.

It is an arithmetic number, because the mean of its divisors is an integer number (4583180).

Almost surely, 2^161463412 is an apocalyptic number.

It is an amenable number.

161463412 is an abundant number, since it is smaller than the sum of its proper divisors (168525548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161463412 is a wasteful number, since it uses less digits than its factorization.

161463412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 150 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 161463412 is about 12706.8254099913. The cubic root of 161463412 is about 544.5336324002.

The spelling of 161463412 in words is "one hundred sixty-one million, four hundred sixty-three thousand, four hundred twelve".