190010990191 has 8 divisors (see below), whose sum is σ = 212105291904. Its totient is φ = 168720117720.

The previous prime is 190010990167. The next prime is 190010990201. The reversal of 190010990191 is 191099010091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 190010990191 - 2¹³ = 190010981999 is a prime.

It is a super-2 number, since 2×190010990191² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190010990291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200856811 + ... + 200857756.

It is an arithmetic number, because the mean of its divisors is an integer number (26513161488).

Almost surely, 2^190010990191 is an apocalyptic number.

190010990191 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

190010990191 is a deficient number, since it is larger than the sum of its proper divisors (22094301713).

190010990191 is a wasteful number, since it uses less digits than its factorization.

190010990191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401714621.

The product of its (nonzero) digits is 6561, while the sum is 40.

The spelling of 190010990191 in words is "one hundred ninety billion, ten million, nine hundred ninety thousand, one hundred ninety-one".