2021676666000 has 320 divisors, whose sum is σ = 6561091110912. Its totient is φ = 535550400000.

The previous prime is 2021676665993. The next prime is 2021676666071. The reversal of 2021676666000 is 6666761202.

It is a super-3 number, since 3×2021676666000³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 874804845 + ... + 874807155.

Almost surely, 2^{2021676666000} is an apocalyptic number.

2021676666000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021676666000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3280545555456).

2021676666000 is an abundant number, since it is smaller than the sum of its proper divisors (4539414444912).

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

2021676666000 is a wasteful number, since it uses less digits than its factorization.

2021676666000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3239 (or 3223 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 2021676666000 in words is "two trillion, twenty-one billion, six hundred seventy-six million, six hundred sixty-six thousand".