2666899746600 has 96 divisors (see below), whose sum is σ = 8443291201920. Its totient is φ = 696041912320.

The previous prime is 2666899746527. The next prime is 2666899746601. The reversal of 2666899746600 is 66479986662.

It is a super-2 number, since 2×2666899746600² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2666899746601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47257257 + ... + 47313656.

It is an arithmetic number, because the mean of its divisors is an integer number (87950950020).

Almost surely, 2^{2666899746600} is an apocalyptic number.

2666899746600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2666899746600 is an abundant number, since it is smaller than the sum of its proper divisors (5776391455320).

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

2666899746600 is a wasteful number, since it uses less digits than its factorization.

2666899746600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94570979 (or 94570970 counting only the distinct ones).

The product of its (nonzero) digits is 282175488, while the sum is 69.

The spelling of 2666899746600 in words is "two trillion, six hundred sixty-six billion, eight hundred ninety-nine million, seven hundred forty-six thousand, six hundred".