122663761644 has 24 divisors (see below), whose sum is σ = 298659594240. Its totient is φ = 39110184784.

The previous prime is 122663761631. The next prime is 122663761651. The reversal of 122663761644 is 446167366221.

It is a junction number, because it is equal to n+sod(n) for n = 122663761593 and 122663761602.

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, 222216684 + ... + 222217235.

It is an arithmetic number, because the mean of its divisors is an integer number (12444149760).

Almost surely, 2^122663761644 is an apocalyptic number.

It is an amenable number.

122663761644 is an abundant number, since it is smaller than the sum of its proper divisors (175995832596).

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

122663761644 is a wasteful number, since it uses less digits than its factorization.

122663761644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444433949 (or 444433947 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 48.

The spelling of 122663761644 in words is "one hundred twenty-two billion, six hundred sixty-three million, seven hundred sixty-one thousand, six hundred forty-four".