660098875863 has 32 divisors (see below), whose sum is σ = 1085128482816. Its totient is φ = 348312826368.

The previous prime is 660098875861. The next prime is 660098875871. The reversal of 660098875863 is 368578890066.

It is a happy number.

It is not a de Polignac number, because 660098875863 - 2¹ = 660098875861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 660098875794 and 660098875803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660098875861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17424631 + ... + 17462472.

It is an arithmetic number, because the mean of its divisors is an integer number (33910265088).

Almost surely, 2^660098875863 is an apocalyptic number.

660098875863 is a deficient number, since it is larger than the sum of its proper divisors (425029606953).

660098875863 is a wasteful number, since it uses less digits than its factorization.

660098875863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34887183.

The product of its (nonzero) digits is 104509440, while the sum is 66.

The spelling of 660098875863 in words is "six hundred sixty billion, ninety-eight million, eight hundred seventy-five thousand, eight hundred sixty-three".