191064754850 has 24 divisors (see below), whose sum is σ = 362941734528. Its totient is φ = 74799818000.

The previous prime is 191064754843. The next prime is 191064754861. The reversal of 191064754850 is 58457460191.

191064754850 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40649726 + ... + 40654425.

It is an arithmetic number, because the mean of its divisors is an integer number (15122572272).

Almost surely, 2^191064754850 is an apocalyptic number.

191064754850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

191064754850 is a deficient number, since it is larger than the sum of its proper divisors (171876979678).

191064754850 is a wasteful number, since it uses less digits than its factorization.

191064754850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81304210 (or 81304205 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 50.

The spelling of 191064754850 in words is "one hundred ninety-one billion, sixty-four million, seven hundred fifty-four thousand, eight hundred fifty".