161196088 has 32 divisors (see below), whose sum is σ = 312206400. Its totient is φ = 77980672.

The previous prime is 161196071. The next prime is 161196107. The reversal of 161196088 is 880691161.

It is a self number, because there is not a number n which added to its sum of digits gives 161196088.

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 7 ways as a sum of consecutive naturals, for example, 31056 + ... + 35872.

It is an arithmetic number, because the mean of its divisors is an integer number (9756450).

Almost surely, 2^161196088 is an apocalyptic number.

It is an amenable number.

161196088 is a deficient number, since it is larger than the sum of its proper divisors (151010312).

161196088 is a wasteful number, since it uses less digits than its factorization.

161196088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4959 (or 4955 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 161196088 is about 12696.3021388119. The cubic root of 161196088 is about 544.2329506214.

It can be divided in two parts, 161 and 196088, that added together give a square (196249 = 443²).

The spelling of 161196088 in words is "one hundred sixty-one million, one hundred ninety-six thousand, eighty-eight".