89120066 has 16 divisors (see below), whose sum is σ = 153573504. Its totient is φ = 37995264.

The previous prime is 89120063. The next prime is 89120081. The reversal of 89120066 is 66002198.

It is not an unprimeable number, because it can be changed into a prime (89120063) 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, 13790 + ... + 19193.

It is an arithmetic number, because the mean of its divisors is an integer number (9598344).

Almost surely, 2^89120066 is an apocalyptic number.

89120066 is a deficient number, since it is larger than the sum of its proper divisors (64453438).

89120066 is a wasteful number, since it uses less digits than its factorization.

89120066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33185.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 89120066 is about 9440.3424726013. The cubic root of 89120066 is about 446.6751924068.

The spelling of 89120066 in words is "eighty-nine million, one hundred twenty thousand, sixty-six".