163426352064726 has 32 divisors (see below), whose sum is σ = 328497558681600. Its totient is φ = 54201312228096.

The previous prime is 163426352064707. The next prime is 163426352064739. The reversal of 163426352064726 is 627460253624361.

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, 197620635 + ... + 198445881.

It is an arithmetic number, because the mean of its divisors is an integer number (10265548708800).

Almost surely, 2^{163426352064726} is an apocalyptic number.

163426352064726 is an abundant number, since it is smaller than the sum of its proper divisors (165071206616874).

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

163426352064726 is a wasteful number, since it uses less digits than its factorization.

163426352064726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991308.

The product of its (nonzero) digits is 52254720, while the sum is 57.

The spelling of 163426352064726 in words is "one hundred sixty-three trillion, four hundred twenty-six billion, three hundred fifty-two million, sixty-four thousand, seven hundred twenty-six".