122557166363 has 4 divisors (see below), whose sum is σ = 129007543560. Its totient is φ = 116106789168.

The previous prime is 122557166359. The next prime is 122557166447. The reversal of 122557166363 is 363661755221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122557166363 - 2² = 122557166359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122557166063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3225188570 + ... + 3225188607.

It is an arithmetic number, because the mean of its divisors is an integer number (32251885890).

Almost surely, 2^122557166363 is an apocalyptic number.

122557166363 is a deficient number, since it is larger than the sum of its proper divisors (6450377197).

122557166363 is an equidigital number, since it uses as much as digits as its factorization.

122557166363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6450377196.

The product of its digits is 1360800, while the sum is 47.

The spelling of 122557166363 in words is "one hundred twenty-two billion, five hundred fifty-seven million, one hundred sixty-six thousand, three hundred sixty-three".