190814164459 has 4 divisors (see below), whose sum is σ = 200857015240. Its totient is φ = 180771313680.

The previous prime is 190814164441. The next prime is 190814164469. The reversal of 190814164459 is 954461418091.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 190814164459 - 2¹¹ = 190814162411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190814164469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5021425362 + ... + 5021425399.

It is an arithmetic number, because the mean of its divisors is an integer number (50214253810).

Almost surely, 2^190814164459 is an apocalyptic number.

190814164459 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

190814164459 is a deficient number, since it is larger than the sum of its proper divisors (10042850781).

190814164459 is a wasteful number, since it uses less digits than its factorization.

190814164459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10042850780.

The product of its (nonzero) digits is 1244160, while the sum is 52.

The spelling of 190814164459 in words is "one hundred ninety billion, eight hundred fourteen million, one hundred sixty-four thousand, four hundred fifty-nine".