426522456544666 has 32 divisors (see below), whose sum is σ = 644187126528000. Its totient is φ = 211797240520320.

The previous prime is 426522456544637. The next prime is 426522456544703. The reversal of 426522456544666 is 666445654225624.

It is a happy 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, 978698020 + ... + 979133728.

It is an arithmetic number, because the mean of its divisors is an integer number (20130847704000).

Almost surely, 2^{426522456544666} is an apocalyptic number.

426522456544666 is a deficient number, since it is larger than the sum of its proper divisors (217664669983334).

426522456544666 is a wasteful number, since it uses less digits than its factorization.

426522456544666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440094.

The product of its digits is 1990656000, while the sum is 67.

The spelling of 426522456544666 in words is "four hundred twenty-six trillion, five hundred twenty-two billion, four hundred fifty-six million, five hundred forty-four thousand, six hundred sixty-six".