99768143008690 has 64 divisors (see below), whose sum is σ = 196201717084800. Its totient is φ = 36303982493184.

The previous prime is 99768143008673. The next prime is 99768143008741. The reversal of 99768143008690 is 9680034186799.

It is a super-2 number, since 2×99768143008690² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (70) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7772781 + ... + 16123039.

It is an arithmetic number, because the mean of its divisors is an integer number (3065651829450).

Almost surely, 2^{99768143008690} is an apocalyptic number.

99768143008690 is a deficient number, since it is larger than the sum of its proper divisors (96433574076110).

99768143008690 is a wasteful number, since it uses less digits than its factorization.

99768143008690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8351611.

The product of its (nonzero) digits is 141087744, while the sum is 70.

The spelling of 99768143008690 in words is "ninety-nine trillion, seven hundred sixty-eight billion, one hundred forty-three million, eight thousand, six hundred ninety".