161158808 has 16 divisors (see below), whose sum is σ = 302368680. Its totient is φ = 80527168.

The previous prime is 161158787. The next prime is 161158813. The reversal of 161158808 is 808851161.

It is a super-2 number, since 2×161158808² = 51944322791961728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8660 + ... + 19932.

Almost surely, 2^161158808 is an apocalyptic number.

It is an amenable number.

161158808 is a deficient number, since it is larger than the sum of its proper divisors (141209872).

161158808 is a wasteful number, since it uses less digits than its factorization.

161158808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13066 (or 13062 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 38.

The square root of 161158808 is about 12694.8339099021. The cubic root of 161158808 is about 544.1909922651.

The spelling of 161158808 in words is "one hundred sixty-one million, one hundred fifty-eight thousand, eight hundred eight".