161379351 has 32 divisors (see below), whose sum is σ = 289313280. Its totient is φ = 86790528.

The previous prime is 161379347. The next prime is 161379353. The reversal of 161379351 is 153973161.

161379351 is a `hidden beast` number, since 1 + 613 + 7 + 9 + 35 + 1 = 666.

It is not a de Polignac number, because 161379351 - 2² = 161379347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161379353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21901 + ... + 28326.

It is an arithmetic number, because the mean of its divisors is an integer number (9041040).

Almost surely, 2^161379351 is an apocalyptic number.

161379351 is a deficient number, since it is larger than the sum of its proper divisors (127933929).

161379351 is a wasteful number, since it uses less digits than its factorization.

161379351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50260 (or 50254 counting only the distinct ones).

The product of its digits is 17010, while the sum is 36.

The square root of 161379351 is about 12703.5172688512. The cubic root of 161379351 is about 544.4391177213.

The spelling of 161379351 in words is "one hundred sixty-one million, three hundred seventy-nine thousand, three hundred fifty-one".