122663336538 has 16 divisors (see below), whose sum is σ = 245338086816. Its totient is φ = 40885876560.

The previous prime is 122663336473. The next prime is 122663336557. The reversal of 122663336538 is 835633366221.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332553 + ... + 596588.

It is an arithmetic number, because the mean of its divisors is an integer number (15333630426).

Almost surely, 2^122663336538 is an apocalyptic number.

122663336538 is an abundant number, since it is smaller than the sum of its proper divisors (122674750278).

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

122663336538 is a wasteful number, since it uses less digits than its factorization.

122663336538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951149.

The product of its digits is 2799360, while the sum is 48.

The spelling of 122663336538 in words is "one hundred twenty-two billion, six hundred sixty-three million, three hundred thirty-six thousand, five hundred thirty-eight".