122621065662 has 96 divisors (see below), whose sum is σ = 262388616192. Its totient is φ = 38193378048.

The previous prime is 122621065597. The next prime is 122621065667. The reversal of 122621065662 is 266560126221.

It is a self number, because there is not a number n which added to its sum of digits gives 122621065662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122621065667) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55558963 + ... + 55561169.

It is an arithmetic number, because the mean of its divisors is an integer number (2733214752).

Almost surely, 2^122621065662 is an apocalyptic number.

122621065662 is an abundant number, since it is smaller than the sum of its proper divisors (139767550530).

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

122621065662 is a wasteful number, since it uses less digits than its factorization.

122621065662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590 (or 2571 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 122621065662 in words is "one hundred twenty-two billion, six hundred twenty-one million, sixty-five thousand, six hundred sixty-two".