426055251566 has 24 divisors (see below), whose sum is σ = 752379856200. Its totient is φ = 180395163312.

The previous prime is 426055251529. The next prime is 426055251577. The reversal of 426055251566 is 665152550624.

It is a self number, because there is not a number n which added to its sum of digits gives 426055251566.

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 11 ways as a sum of consecutive naturals, for example, 26181641 + ... + 26197908.

It is an arithmetic number, because the mean of its divisors is an integer number (31349160675).

Almost surely, 2^426055251566 is an apocalyptic number.

426055251566 is a deficient number, since it is larger than the sum of its proper divisors (326324604634).

426055251566 is a wasteful number, since it uses less digits than its factorization.

426055251566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52379648 (or 52379641 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 47.

The spelling of 426055251566 in words is "four hundred twenty-six billion, fifty-five million, two hundred fifty-one thousand, five hundred sixty-six".