122366736638 has 16 divisors (see below), whose sum is σ = 183821315760. Its totient is φ = 61093002816.

The previous prime is 122366736637. The next prime is 122366736689. The reversal of 122366736638 is 836637663221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 122366736638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122366736637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10305581 + ... + 10317447.

It is an arithmetic number, because the mean of its divisors is an integer number (11488832235).

Almost surely, 2^122366736638 is an apocalyptic number.

122366736638 is a deficient number, since it is larger than the sum of its proper divisors (61454579122).

122366736638 is a wasteful number, since it uses less digits than its factorization.

122366736638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19051.

The product of its digits is 7838208, while the sum is 53.

The spelling of 122366736638 in words is "one hundred twenty-two billion, three hundred sixty-six million, seven hundred thirty-six thousand, six hundred thirty-eight".