89516660 has 24 divisors (see below), whose sum is σ = 188837376. Its totient is φ = 35644320.

The previous prime is 89516639. The next prime is 89516663. The reversal of 89516660 is 6661598.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89516663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5576 + ... + 14495.

It is an arithmetic number, because the mean of its divisors is an integer number (7868224).

Almost surely, 2^89516660 is an apocalyptic number.

It is an amenable number.

89516660 is an abundant number, since it is smaller than the sum of its proper divisors (99320716).

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

89516660 is a wasteful number, since it uses less digits than its factorization.

89516660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20303 (or 20301 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 89516660 is about 9461.3244316005. The cubic root of 89516660 is about 447.3367963901.

The spelling of 89516660 in words is "eighty-nine million, five hundred sixteen thousand, six hundred sixty".