189663076 has 12 divisors (see below), whose sum is σ = 332067708. Its totient is φ = 94786592.

The previous prime is 189663043. The next prime is 189663107. The reversal of 189663076 is 670366981.

It can be written as a sum of positive squares in 2 ways, for example, as 36893476 + 152769600 = 6074^2 + 12360^2 .

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 3 ways as a sum of consecutive naturals, for example, 631 + ... + 19486.

It is an arithmetic number, because the mean of its divisors is an integer number (27672309).

Almost surely, 2^189663076 is an apocalyptic number.

It is an amenable number.

189663076 is a deficient number, since it is larger than the sum of its proper divisors (142404632).

189663076 is a wasteful number, since it uses less digits than its factorization.

189663076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22478 (or 22476 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 189663076 is about 13771.8218112202. The cubic root of 189663076 is about 574.5496925533.

The spelling of 189663076 in words is "one hundred eighty-nine million, six hundred sixty-three thousand, seventy-six".