161915088 has 40 divisors (see below), whose sum is σ = 420428448. Its totient is φ = 53694592.

The previous prime is 161915069. The next prime is 161915107. The reversal of 161915088 is 880519161.

It is an interprime number because it is at equal distance from previous prime (161915069) and next prime (161915107).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 895 + ... + 18017.

Almost surely, 2^161915088 is an apocalyptic number.

It is an amenable number.

161915088 is an abundant number, since it is smaller than the sum of its proper divisors (258513360).

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

161915088 is a wasteful number, since it uses less digits than its factorization.

161915088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17331 (or 17325 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 39.

The square root of 161915088 is about 12724.5859657594. The cubic root of 161915088 is about 545.0409171648.

The spelling of 161915088 in words is "one hundred sixty-one million, nine hundred fifteen thousand, eighty-eight".