99566958 has 32 divisors (see below), whose sum is σ = 203164416. Its totient is φ = 32522688.

The previous prime is 99566953. The next prime is 99566959. The reversal of 99566958 is 85966599.

It is a junction number, because it is equal to n+sod(n) for n = 99566898 and 99566907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99566953) 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 15 ways as a sum of consecutive naturals, for example, 93135 + ... + 94197.

It is an arithmetic number, because the mean of its divisors is an integer number (6348888).

Almost surely, 2^99566958 is an apocalyptic number.

99566958 is an abundant number, since it is smaller than the sum of its proper divisors (103597458).

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

99566958 is a wasteful number, since it uses less digits than its factorization.

99566958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368.

The product of its digits is 5248800, while the sum is 57.

The square root of 99566958 is about 9978.3244084365. The cubic root of 99566958 is about 463.4879129287.

The spelling of 99566958 in words is "ninety-nine million, five hundred sixty-six thousand, nine hundred fifty-eight".