168042966903 has 64 divisors (see below), whose sum is σ = 286976640000. Its totient is φ = 95196995712.

The previous prime is 168042966887. The next prime is 168042966907. The reversal of 168042966903 is 309669240861.

It is not a de Polignac number, because 168042966903 - 2⁴ = 168042966887 is a prime.

It is a super-2 number, since 2×168042966903² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 168042966903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168042966907) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15398613 + ... + 15409521.

It is an arithmetic number, because the mean of its divisors is an integer number (4484010000).

Almost surely, 2^168042966903 is an apocalyptic number.

168042966903 is a deficient number, since it is larger than the sum of its proper divisors (118933673097).

168042966903 is a wasteful number, since it uses less digits than its factorization.

168042966903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11621 (or 11615 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The spelling of 168042966903 in words is "one hundred sixty-eight billion, forty-two million, nine hundred sixty-six thousand, nine hundred three".