2166729548496 has 40 divisors (see below), whose sum is σ = 5597516096160. Its totient is φ = 722226224256.

The previous prime is 2166729548419. The next prime is 2166729548497. The reversal of 2166729548496 is 6948459276612.

It is a self number, because there is not a number n which added to its sum of digits gives 2166729548496.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2166729548497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1626015 + ... + 2641473.

It is an arithmetic number, because the mean of its divisors is an integer number (139937902404).

Almost surely, 2^{2166729548496} is an apocalyptic number.

It is an amenable number.

2166729548496 is an abundant number, since it is smaller than the sum of its proper divisors (3430786547664).

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

2166729548496 is a wasteful number, since it uses less digits than its factorization.

2166729548496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059923 (or 1059917 counting only the distinct ones).

The product of its digits is 313528320, while the sum is 69.

The spelling of 2166729548496 in words is "two trillion, one hundred sixty-six billion, seven hundred twenty-nine million, five hundred forty-eight thousand, four hundred ninety-six".