168791403426 has 16 divisors (see below), whose sum is σ = 342621357024. Its totient is φ = 55424042784.

The previous prime is 168791403413. The next prime is 168791403449. The reversal of 168791403426 is 624304197861.

It is a happy 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, 209939155 + ... + 209939958.

It is an arithmetic number, because the mean of its divisors is an integer number (21413834814).

Almost surely, 2^168791403426 is an apocalyptic number.

168791403426 is an abundant number, since it is smaller than the sum of its proper divisors (173829953598).

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

168791403426 is a wasteful number, since it uses less digits than its factorization.

168791403426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419879185.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 168791403426 in words is "one hundred sixty-eight billion, seven hundred ninety-one million, four hundred three thousand, four hundred twenty-six".