189151516 has 24 divisors (see below), whose sum is σ = 335449296. Its totient is φ = 93317760.

The previous prime is 189151507. The next prime is 189151561. The reversal of 189151516 is 615151981.

189151516 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98235 + ... + 100141.

It is an arithmetic number, because the mean of its divisors is an integer number (13977054).

Almost surely, 2^189151516 is an apocalyptic number.

It is an amenable number.

189151516 is a deficient number, since it is larger than the sum of its proper divisors (146297780).

189151516 is a wasteful number, since it uses less digits than its factorization.

189151516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229 (or 2227 counting only the distinct ones).

The product of its digits is 10800, while the sum is 37.

The square root of 189151516 is about 13753.2365645327. The cubic root of 189151516 is about 574.0326681986.

The spelling of 189151516 in words is "one hundred eighty-nine million, one hundred fifty-one thousand, five hundred sixteen".