190137680268 has 24 divisors (see below), whose sum is σ = 446376399168. Its totient is φ = 62990396496.

The previous prime is 190137680237. The next prime is 190137680309. The reversal of 190137680268 is 862086731091.

It is a self number, because there is not a number n which added to its sum of digits gives 190137680268.

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, 48601746 + ... + 48605657.

It is an arithmetic number, because the mean of its divisors is an integer number (18599016632).

Almost surely, 2^190137680268 is an apocalyptic number.

It is an amenable number.

190137680268 is an abundant number, since it is smaller than the sum of its proper divisors (256238718900).

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

190137680268 is a wasteful number, since it uses less digits than its factorization.

190137680268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97207573 (or 97207571 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 190137680268 in words is "one hundred ninety billion, one hundred thirty-seven million, six hundred eighty thousand, two hundred sixty-eight".