2166610516010 has 64 divisors (see below), whose sum is σ = 4001513674752. Its totient is φ = 844175981376.

The previous prime is 2166610515947. The next prime is 2166610516027. The reversal of 2166610516010 is 106150166612.

It is a super-2 number, since 2×2166610516010² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 436198547 + ... + 436203513.

It is an arithmetic number, because the mean of its divisors is an integer number (62523651168).

Almost surely, 2^{2166610516010} is an apocalyptic number.

2166610516010 is a deficient number, since it is larger than the sum of its proper divisors (1834903158742).

2166610516010 is a wasteful number, since it uses less digits than its factorization.

2166610516010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7587.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 2166610516010 in words is "two trillion, one hundred sixty-six billion, six hundred ten million, five hundred sixteen thousand, ten".