89661416 has 16 divisors (see below), whose sum is σ = 181047300. Its totient is φ = 41382144.

The previous prime is 89661401. The next prime is 89661421. The reversal of 89661416 is 61416698.

It can be written as a sum of positive squares in 2 ways, for example, as 63138916 + 26522500 = 7946^2 + 5150^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430961 + ... + 431168.

Almost surely, 2^89661416 is an apocalyptic number.

It is an amenable number.

89661416 is an abundant number, since it is smaller than the sum of its proper divisors (91385884).

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

89661416 is a wasteful number, since it uses less digits than its factorization.

89661416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862148 (or 862144 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 89661416 is about 9468.9712218382. The cubic root of 89661416 is about 447.5777936601.

The spelling of 89661416 in words is "eighty-nine million, six hundred sixty-one thousand, four hundred sixteen".