161716488 has 16 divisors (see below), whose sum is σ = 404291280. Its totient is φ = 53905488.

The previous prime is 161716469. The next prime is 161716501. The reversal of 161716488 is 884617161.

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 3 ways as a sum of consecutive naturals, for example, 3369070 + ... + 3369117.

It is an arithmetic number, because the mean of its divisors is an integer number (25268205).

Almost surely, 2^161716488 is an apocalyptic number.

It is an amenable number.

161716488 is an abundant number, since it is smaller than the sum of its proper divisors (242574792).

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

161716488 is a wasteful number, since it uses less digits than its factorization.

161716488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6738196 (or 6738192 counting only the distinct ones).

The product of its digits is 64512, while the sum is 42.

The square root of 161716488 is about 12716.7797810609. The cubic root of 161716488 is about 544.8179825917.

The spelling of 161716488 in words is "one hundred sixty-one million, seven hundred sixteen thousand, four hundred eighty-eight".