2666795170920 has 64 divisors (see below), whose sum is σ = 8216612161920. Its totient is φ = 691925232384.

The previous prime is 2666795170903. The next prime is 2666795170927. The reversal of 2666795170920 is 290715976662.

2666795170920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2666795170920² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (2666795170927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300310332 + ... + 300319211.

It is an arithmetic number, because the mean of its divisors is an integer number (128384565030).

Almost surely, 2^{2666795170920} is an apocalyptic number.

2666795170920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2666795170920 is an abundant number, since it is smaller than the sum of its proper divisors (5549816991000).

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

2666795170920 is a wasteful number, since it uses less digits than its factorization.

2666795170920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600629594 (or 600629590 counting only the distinct ones).

The product of its (nonzero) digits is 17146080, while the sum is 60.

The spelling of 2666795170920 in words is "two trillion, six hundred sixty-six billion, seven hundred ninety-five million, one hundred seventy thousand, nine hundred twenty".