168949949862 has 32 divisors (see below), whose sum is σ = 352661817600. Its totient is φ = 53857311200.

The previous prime is 168949949821. The next prime is 168949949891. The reversal of 168949949862 is 268949949861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 583612 + ... + 823712.

It is an arithmetic number, because the mean of its divisors is an integer number (11020681800).

Almost surely, 2^168949949862 is an apocalyptic number.

168949949862 is an abundant number, since it is smaller than the sum of its proper divisors (183711867738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168949949862 is a wasteful number, since it uses less digits than its factorization.

168949949862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245228.

The product of its digits is 483729408, while the sum is 75.

Subtracting 168949949862 from its reverse (268949949861), we obtain a palindrome (99999999999).

The spelling of 168949949862 in words is "one hundred sixty-eight billion, nine hundred forty-nine million, nine hundred forty-nine thousand, eight hundred sixty-two".