168490463456 has 48 divisors (see below), whose sum is σ = 379142184960. Its totient is φ = 72202838400.

The previous prime is 168490463447. The next prime is 168490463473. The reversal of 168490463456 is 654364094861.

It is a Harshad number since it is a multiple of its sum of digits (56).

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 in 7 ways as a sum of consecutive naturals, for example, 2554865 + ... + 2619983.

It is an arithmetic number, because the mean of its divisors is an integer number (7898795520).

Almost surely, 2^168490463456 is an apocalyptic number.

168490463456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

168490463456 is an abundant number, since it is smaller than the sum of its proper divisors (210651721504).

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

168490463456 is a wasteful number, since it uses less digits than its factorization.

168490463456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76687 (or 76679 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 56.

The spelling of 168490463456 in words is "one hundred sixty-eight billion, four hundred ninety million, four hundred sixty-three thousand, four hundred fifty-six".