190011975990 has 16 divisors (see below), whose sum is σ = 456028742448. Its totient is φ = 50669860256.

The previous prime is 190011975931. The next prime is 190011975997. The reversal of 190011975990 is 99579110091.

190011975990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×190011975990² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190011975997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3166866237 + ... + 3166866296.

It is an arithmetic number, because the mean of its divisors is an integer number (28501796403).

Almost surely, 2^190011975990 is an apocalyptic number.

190011975990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190011975990 is an abundant number, since it is smaller than the sum of its proper divisors (266016766458).

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

190011975990 is a wasteful number, since it uses less digits than its factorization.

190011975990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6333732543.

The product of its (nonzero) digits is 229635, while the sum is 51.

It can be divided in two parts, 19001 and 1975990, that added together give a palindrome (1994991).

The spelling of 190011975990 in words is "one hundred ninety billion, eleven million, nine hundred seventy-five thousand, nine hundred ninety".