192781145168 has 10 divisors (see below), whose sum is σ = 373513468794. Its totient is φ = 96390572576.

The previous prime is 192781145147. The next prime is 192781145173. The reversal of 192781145168 is 861541187291.

It can be written as a sum of positive squares in only one way, i.e., 185182187584 + 7598957584 = 430328^2 + 87172^2 .

It is a congruent number.

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, 6024410771 + ... + 6024410802.

Almost surely, 2^192781145168 is an apocalyptic number.

It is an amenable number.

192781145168 is a deficient number, since it is larger than the sum of its proper divisors (180732323626).

192781145168 is a wasteful number, since it uses less digits than its factorization.

192781145168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12048821581 (or 12048821575 counting only the distinct ones).

The product of its digits is 967680, while the sum is 53.

The spelling of 192781145168 in words is "one hundred ninety-two billion, seven hundred eighty-one million, one hundred forty-five thousand, one hundred sixty-eight".