190643829855 has 8 divisors (see below), whose sum is σ = 305030127792. Its totient is φ = 101676709248.

The previous prime is 190643829823. The next prime is 190643829863. The reversal of 190643829855 is 558928346091.

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

It is not a de Polignac number, because 190643829855 - 2⁵ = 190643829823 is a prime.

It is a congruent number.

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, 6354794314 + ... + 6354794343.

It is an arithmetic number, because the mean of its divisors is an integer number (38128765974).

Almost surely, 2^190643829855 is an apocalyptic number.

190643829855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

190643829855 is a deficient number, since it is larger than the sum of its proper divisors (114386297937).

190643829855 is a wasteful number, since it uses less digits than its factorization.

190643829855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12709588665.

The product of its (nonzero) digits is 18662400, while the sum is 60.

The spelling of 190643829855 in words is "one hundred ninety billion, six hundred forty-three million, eight hundred twenty-nine thousand, eight hundred fifty-five".