192668650 has 24 divisors (see below), whose sum is σ = 379445580. Its totient is φ = 72533760.

The previous prime is 192668639. The next prime is 192668687. The reversal of 192668650 is 56866291.

It can be written as a sum of positive squares in 6 ways, for example, as 125641681 + 67026969 = 11209^2 + 8187^2 .

It is a junction number, because it is equal to n+sod(n) for n = 192668597 and 192668606.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 112485 + ... + 114184.

Almost surely, 2^192668650 is an apocalyptic number.

192668650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

192668650 is a deficient number, since it is larger than the sum of its proper divisors (186776930).

192668650 is a wasteful number, since it uses less digits than its factorization.

192668650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226698 (or 226693 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 192668650 is about 13880.5133190383. The cubic root of 192668650 is about 577.5687467743.

The spelling of 192668650 in words is "one hundred ninety-two million, six hundred sixty-eight thousand, six hundred fifty".