662426542644 has 48 divisors (see below), whose sum is σ = 1697752250880. Its totient is φ = 200092226400.

The previous prime is 662426542637. The next prime is 662426542651. The reversal of 662426542644 is 446245624266.

662426542644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (662426542637) and next prime (662426542651).

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, 63155182 + ... + 63165669.

It is an arithmetic number, because the mean of its divisors is an integer number (35369838560).

Almost surely, 2^662426542644 is an apocalyptic number.

It is an amenable number.

662426542644 is an abundant number, since it is smaller than the sum of its proper divisors (1035325708236).

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

662426542644 is a wasteful number, since it uses less digits than its factorization.

662426542644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126320900 (or 126320898 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 51.

The spelling of 662426542644 in words is "six hundred sixty-two billion, four hundred twenty-six million, five hundred forty-two thousand, six hundred forty-four".