161146396 has 12 divisors (see below), whose sum is σ = 289628248. Its totient is φ = 78395472.

The previous prime is 161146393. The next prime is 161146399. The reversal of 161146396 is 693641161.

161146396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (161146393) and next prime (161146399).

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161146393) 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, 544266 + ... + 544561.

Almost surely, 2^161146396 is an apocalyptic number.

It is an amenable number.

161146396 is a deficient number, since it is larger than the sum of its proper divisors (128481852).

161146396 is a wasteful number, since it uses less digits than its factorization.

161146396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088868 (or 1088866 counting only the distinct ones).

The product of its digits is 23328, while the sum is 37.

The square root of 161146396 is about 12694.3450402138. The cubic root of 161146396 is about 544.1770212177.

The spelling of 161146396 in words is "one hundred sixty-one million, one hundred forty-six thousand, three hundred ninety-six".