189831226071 has 16 divisors (see below), whose sum is σ = 254144150784. Its totient is φ = 126036424704.

The previous prime is 189831226069. The next prime is 189831226129. The reversal of 189831226071 is 170622138981.

189831226071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 189831226071 - 2¹ = 189831226069 is a prime.

It is a super-2 number, since 2×189831226071² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 189831226071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189831226061) 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 15 ways as a sum of consecutive naturals, for example, 4313440 + ... + 4357226.

It is an arithmetic number, because the mean of its divisors is an integer number (15884009424).

Almost surely, 2^189831226071 is an apocalyptic number.

189831226071 is a deficient number, since it is larger than the sum of its proper divisors (64312924713).

189831226071 is a wasteful number, since it uses less digits than its factorization.

189831226071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49670.

The product of its (nonzero) digits is 290304, while the sum is 48.

The spelling of 189831226071 in words is "one hundred eighty-nine billion, eight hundred thirty-one million, two hundred twenty-six thousand, seventy-one".