161178088 has 64 divisors (see below), whose sum is σ = 332424000. Its totient is φ = 72963072.

The previous prime is 161178079. The next prime is 161178137. The reversal of 161178088 is 880871161.

It is a happy number.

161178088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 161178088.

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, 425083 + ... + 425461.

It is an arithmetic number, because the mean of its divisors is an integer number (5194125).

Almost surely, 2^161178088 is an apocalyptic number.

It is an amenable number.

161178088 is an abundant number, since it is smaller than the sum of its proper divisors (171245912).

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

161178088 is a wasteful number, since it uses less digits than its factorization.

161178088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 40.

The square root of 161178088 is about 12695.5932512033. The cubic root of 161178088 is about 544.2126925661.

The spelling of 161178088 in words is "one hundred sixty-one million, one hundred seventy-eight thousand, eighty-eight".