99665662 has 24 divisors (see below), whose sum is σ = 161853984. Its totient is φ = 45868992.

The previous prime is 99665617. The next prime is 99665669. The reversal of 99665662 is 26656699.

Its product of digits (1049760) is a multiple of the sum of its prime factors (1440).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99665669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74443 + ... + 75769.

It is an arithmetic number, because the mean of its divisors is an integer number (6743916).

Almost surely, 2^99665662 is an apocalyptic number.

99665662 is a deficient number, since it is larger than the sum of its proper divisors (62188322).

99665662 is a wasteful number, since it uses less digits than its factorization.

99665662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440 (or 1393 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 49.

The square root of 99665662 is about 9983.2691038557. The cubic root of 99665662 is about 463.6410192838.

The spelling of 99665662 in words is "ninety-nine million, six hundred sixty-five thousand, six hundred sixty-two".