190001868876 has 18 divisors (see below), whose sum is σ = 480282501972. Its totient is φ = 63333956280.

The previous prime is 190001868779. The next prime is 190001868899. The reversal of 190001868876 is 678868100091.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×190001868876² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2638914810 + ... + 2638914881.

Almost surely, 2^190001868876 is an apocalyptic number.

It is an amenable number.

190001868876 is an abundant number, since it is smaller than the sum of its proper divisors (290280633096).

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

190001868876 is a wasteful number, since it uses less digits than its factorization.

190001868876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5277829701 (or 5277829696 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

It can be divided in two parts, 19000 and 1868876, that added together give a square (1887876 = 1374²).

The spelling of 190001868876 in words is "one hundred ninety billion, one million, eight hundred sixty-eight thousand, eight hundred seventy-six".