192638066 has 4 divisors (see below), whose sum is σ = 288957102. Its totient is φ = 96319032.

The previous prime is 192638059. The next prime is 192638071. The reversal of 192638066 is 660836291.

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

It can be written as a sum of positive squares in only one way, i.e., 110355025 + 82283041 = 10505^2 + 9071^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48159515 + ... + 48159518.

Almost surely, 2^192638066 is an apocalyptic number.

192638066 is a deficient number, since it is larger than the sum of its proper divisors (96319036).

192638066 is an equidigital number, since it uses as much as digits as its factorization.

192638066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96319035.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 192638066 is about 13879.4115869514. The cubic root of 192638066 is about 577.5381842908.

The spelling of 192638066 in words is "one hundred ninety-two million, six hundred thirty-eight thousand, sixty-six".