673168562478 has 96 divisors (see below), whose sum is σ = 1550641903200. Its totient is φ = 210327982080.

The previous prime is 673168562453. The next prime is 673168562491. The reversal of 673168562478 is 874265861376.

673168562478 is a `hidden beast` number, since 6 + 7 + 3 + 1 + 68 + 562 + 4 + 7 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 132017173 + ... + 132022271.

It is an arithmetic number, because the mean of its divisors is an integer number (16152519825).

Almost surely, 2^673168562478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 673168562478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (775320951600).

673168562478 is an abundant number, since it is smaller than the sum of its proper divisors (877473340722).

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

673168562478 is a wasteful number, since it uses less digits than its factorization.

673168562478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6802 (or 6799 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 63.

The spelling of 673168562478 in words is "six hundred seventy-three billion, one hundred sixty-eight million, five hundred sixty-two thousand, four hundred seventy-eight".