2122165171660 has 12 divisors (see below), whose sum is σ = 4456546860528. Its totient is φ = 848866068656.

The previous prime is 2122165171631. The next prime is 2122165171661. The reversal of 2122165171660 is 661715612212.

It is not an unprimeable number, because it can be changed into a prime (2122165171661) 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, 53054129272 + ... + 53054129311.

It is an arithmetic number, because the mean of its divisors is an integer number (371378905044).

Almost surely, 2^{2122165171660} is an apocalyptic number.

2122165171660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122165171660 is an abundant number, since it is smaller than the sum of its proper divisors (2334381688868).

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

2122165171660 is a wasteful number, since it uses less digits than its factorization.

2122165171660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106108258592 (or 106108258590 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 2122165171660 in words is "two trillion, one hundred twenty-two billion, one hundred sixty-five million, one hundred seventy-one thousand, six hundred sixty".