2666100106971 has 24 divisors (see below), whose sum is σ = 4402669830624. Its totient is φ = 1522970455680.

The previous prime is 2666100106927. The next prime is 2666100107009. The reversal of 2666100106971 is 1796010016662.

It is not a de Polignac number, because 2666100106971 - 2⁶ = 2666100106907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2666100102971) 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, 6969450 + ... + 7342031.

It is an arithmetic number, because the mean of its divisors is an integer number (183444576276).

Almost surely, 2^{2666100106971} is an apocalyptic number.

2666100106971 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2666100106971 is a deficient number, since it is larger than the sum of its proper divisors (1736569723653).

2666100106971 is a wasteful number, since it uses less digits than its factorization.

2666100106971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14314451 (or 14314448 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 2666100106971 in words is "two trillion, six hundred sixty-six billion, one hundred million, one hundred six thousand, nine hundred seventy-one".