2666937903380 has 24 divisors (see below), whose sum is σ = 5663497349160. Its totient is φ = 1054788922880.

The previous prime is 2666937903367. The next prime is 2666937903397. The reversal of 2666937903380 is 833097396662.

2666937903380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 47194955536 + 2619742947844 = 217244^2 + 1618562^2 .

It is a super-2 number, since 2×2666937903380² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 749138081 + ... + 749141640.

It is an arithmetic number, because the mean of its divisors is an integer number (235979056215).

Almost surely, 2^{2666937903380} is an apocalyptic number.

2666937903380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2666937903380 is an abundant number, since it is smaller than the sum of its proper divisors (2996559445780).

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

2666937903380 is a wasteful number, since it uses less digits than its factorization.

2666937903380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498279819 (or 1498279817 counting only the distinct ones).

The product of its (nonzero) digits is 52907904, while the sum is 62.

The spelling of 2666937903380 in words is "two trillion, six hundred sixty-six billion, nine hundred thirty-seven million, nine hundred three thousand, three hundred eighty".