161159676 has 48 divisors (see below), whose sum is σ = 381701376. Its totient is φ = 52918144.

The previous prime is 161159659. The next prime is 161159683. The reversal of 161159676 is 676951161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274255 + ... + 274841.

It is an arithmetic number, because the mean of its divisors is an integer number (7952112).

Almost surely, 2^161159676 is an apocalyptic number.

It is an amenable number.

161159676 is an abundant number, since it is smaller than the sum of its proper divisors (220541700).

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

161159676 is a wasteful number, since it uses less digits than its factorization.

161159676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898 (or 896 counting only the distinct ones).

The product of its digits is 68040, while the sum is 42.

The square root of 161159676 is about 12694.8680969910. The cubic root of 161159676 is about 544.1919692660.

The spelling of 161159676 in words is "one hundred sixty-one million, one hundred fifty-nine thousand, six hundred seventy-six".