168040746488 has 16 divisors (see below), whose sum is σ = 315105765000. Its totient is φ = 84012542496.

The previous prime is 168040746487. The next prime is 168040746493. The reversal of 168040746488 is 884647040861.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168040746487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 887138 + ... + 1059761.

Almost surely, 2^168040746488 is an apocalyptic number.

It is an amenable number.

168040746488 is a deficient number, since it is larger than the sum of its proper divisors (147065018512).

168040746488 is a wasteful number, since it uses less digits than its factorization.

168040746488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957694 (or 1957690 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 56.

The spelling of 168040746488 in words is "one hundred sixty-eight billion, forty million, seven hundred forty-six thousand, four hundred eighty-eight".