2666693280000 has 180 divisors, whose sum is σ = 8868778994768. Its totient is φ = 711118080000.

The previous prime is 2666693279933. The next prime is 2666693280007. The reversal of 2666693280000 is 823966662.

It is a super-2 number, since 2×2666693280000² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (2666693280007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2297806 + ... + 3257805.

Almost surely, 2^{2666693280000} is an apocalyptic number.

2666693280000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2666693280000 is an abundant number, since it is smaller than the sum of its proper divisors (6202085714768).

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

2666693280000 is an frugal number, since it uses more digits than its factorization.

2666693280000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555650 (or 5555621 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 48.

The spelling of 2666693280000 in words is "two trillion, six hundred sixty-six billion, six hundred ninety-three million, two hundred eighty thousand".