68149550092 has 12 divisors (see below), whose sum is σ = 128435690656. Its totient is φ = 31453638480.

The previous prime is 68149550083. The next prime is 68149550093. The reversal of 68149550092 is 29005594186.

It is a super-3 number, since 3×68149550092³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (68149550093) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 655284084 + ... + 655284187.

Almost surely, 2^68149550092 is an apocalyptic number.

It is an amenable number.

68149550092 is a deficient number, since it is larger than the sum of its proper divisors (60286140564).

68149550092 is a wasteful number, since it uses less digits than its factorization.

68149550092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310568288 (or 1310568286 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 49.

The spelling of 68149550092 in words is "sixty-eight billion, one hundred forty-nine million, five hundred fifty thousand, ninety-two".