122506613166 has 64 divisors (see below), whose sum is σ = 286935644160. Its totient is φ = 34145885280.

The previous prime is 122506613147. The next prime is 122506613167. The reversal of 122506613166 is 661316605221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122506613167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135925 + ... + 513311.

It is an arithmetic number, because the mean of its divisors is an integer number (4483369440).

Almost surely, 2^122506613166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122506613166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143467822080).

122506613166 is an abundant number, since it is smaller than the sum of its proper divisors (164429030994).

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

122506613166 is a wasteful number, since it uses less digits than its factorization.

122506613166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377589.

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 122506613166 in words is "one hundred twenty-two billion, five hundred six million, six hundred thirteen thousand, one hundred sixty-six".