189368151 has 16 divisors (see below), whose sum is σ = 305535744. Its totient is φ = 101844864.

The previous prime is 189368149. The next prime is 189368171. The reversal of 189368151 is 151863981.

It is not a de Polignac number, because 189368151 - 2¹ = 189368149 is a prime.

It is a super-3 number, since 3×189368151³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189368141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264865 + ... + 265578.

It is an arithmetic number, because the mean of its divisors is an integer number (19095984).

Almost surely, 2^189368151 is an apocalyptic number.

189368151 is a deficient number, since it is larger than the sum of its proper divisors (116167593).

189368151 is a wasteful number, since it uses less digits than its factorization.

189368151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530470.

The product of its digits is 51840, while the sum is 42.

The square root of 189368151 is about 13761.1100933028. The cubic root of 189368151 is about 574.2517308935.

The spelling of 189368151 in words is "one hundred eighty-nine million, three hundred sixty-eight thousand, one hundred fifty-one".