2166706651006 has 4 divisors (see below), whose sum is σ = 3250059976512. Its totient is φ = 1083353325502.

The previous prime is 2166706650967. The next prime is 2166706651033. The reversal of 2166706651006 is 6001566076612.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541676662750 + ... + 541676662753.

It is an arithmetic number, because the mean of its divisors is an integer number (812514994128).

Almost surely, 2^{2166706651006} is an apocalyptic number.

2166706651006 is a deficient number, since it is larger than the sum of its proper divisors (1083353325506).

2166706651006 is a wasteful number, since it uses less digits than its factorization.

2166706651006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083353325505.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 2166706651006 in words is "two trillion, one hundred sixty-six billion, seven hundred six million, six hundred fifty-one thousand, six".