90000069186 has 16 divisors (see below), whose sum is σ = 180932783904. Its totient is φ = 29844582144.

The previous prime is 90000069113. The next prime is 90000069191. The reversal of 90000069186 is 68196000009.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38858976 + ... + 38861291.

It is an arithmetic number, because the mean of its divisors is an integer number (11308298994).

Almost surely, 2^90000069186 is an apocalyptic number.

90000069186 is an abundant number, since it is smaller than the sum of its proper divisors (90932714718).

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

90000069186 is a wasteful number, since it uses less digits than its factorization.

90000069186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77720465.

The product of its (nonzero) digits is 23328, while the sum is 39.

The spelling of 90000069186 in words is "ninety billion, sixty-nine thousand, one hundred eighty-six".