426616222621566 has 8 divisors (see below), whose sum is σ = 853232445243144. Its totient is φ = 142205407540520.

The previous prime is 426616222621529. The next prime is 426616222621591. The reversal of 426616222621566 is 665126222616624.

It is a sphenic number, since it is the product of 3 distinct primes.

426616222621566 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35551351885125 + ... + 35551351885136.

It is an arithmetic number, because the mean of its divisors is an integer number (106654055655393).

Almost surely, 2^{426616222621566} is an apocalyptic number.

426616222621566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

426616222621566 is a wasteful number, since it uses less digits than its factorization.

426616222621566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71102703770266.

The product of its digits is 29859840, while the sum is 57.

The spelling of 426616222621566 in words is "four hundred twenty-six trillion, six hundred sixteen billion, two hundred twenty-two million, six hundred twenty-one thousand, five hundred sixty-six".