66122201162116 has 72 divisors (see below), whose sum is σ = 132897765172032. Its totient is φ = 28537218590400.

The previous prime is 66122201162071. The next prime is 66122201162117. The reversal of 66122201162116 is 61126110222166.

It is not an unprimeable number, because it can be changed into a prime (66122201162117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12511440 + ... + 16993543.

It is an arithmetic number, because the mean of its divisors is an integer number (1845802294056).

Almost surely, 2^{66122201162116} is an apocalyptic number.

It is an amenable number.

66122201162116 is an abundant number, since it is smaller than the sum of its proper divisors (66775564009916).

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

66122201162116 is a wasteful number, since it uses less digits than its factorization.

66122201162116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29505113 (or 29505080 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 66122201162116 in words is "sixty-six trillion, one hundred twenty-two billion, two hundred one million, one hundred sixty-two thousand, one hundred sixteen".