89016566 has 4 divisors (see below), whose sum is σ = 133524852. Its totient is φ = 44508282.

The previous prime is 89016559. The next prime is 89016581. The reversal of 89016566 is 66561098.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66561098 = 2 ⋅33280549.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22254140 + ... + 22254143.

It is an arithmetic number, because the mean of its divisors is an integer number (33381213).

Almost surely, 2^89016566 is an apocalyptic number.

89016566 is a deficient number, since it is larger than the sum of its proper divisors (44508286).

89016566 is a wasteful number, since it uses less digits than its factorization.

89016566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44508285.

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

The square root of 89016566 is about 9434.8590874480. The cubic root of 89016566 is about 446.5022093258.

The spelling of 89016566 in words is "eighty-nine million, sixteen thousand, five hundred sixty-six".