192291668 has 6 divisors (see below), whose sum is σ = 336510426. Its totient is φ = 96145832.

The previous prime is 192291653. The next prime is 192291677. The reversal of 192291668 is 866192291.

192291668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 178169104 + 14122564 = 13348^2 + 3758^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24036455 + ... + 24036462.

It is an arithmetic number, because the mean of its divisors is an integer number (56085071).

Almost surely, 2^192291668 is an apocalyptic number.

It is an amenable number.

192291668 is a deficient number, since it is larger than the sum of its proper divisors (144218758).

192291668 is a wasteful number, since it uses less digits than its factorization.

192291668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48072921 (or 48072919 counting only the distinct ones).

The product of its digits is 93312, while the sum is 44.

The square root of 192291668 is about 13866.9271289641. The cubic root of 192291668 is about 577.1918039698.

The spelling of 192291668 in words is "one hundred ninety-two million, two hundred ninety-one thousand, six hundred sixty-eight".