2166431334486 has 32 divisors (see below), whose sum is σ = 4468331196000. Its totient is φ = 699802110720.

The previous prime is 2166431334449. The next prime is 2166431334503. The reversal of 2166431334486 is 6844331346612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29515801 + ... + 29589108.

It is an arithmetic number, because the mean of its divisors is an integer number (139635349875).

Almost surely, 2^{2166431334486} is an apocalyptic number.

2166431334486 is an abundant number, since it is smaller than the sum of its proper divisors (2301899861514).

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

2166431334486 is a wasteful number, since it uses less digits than its factorization.

2166431334486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59105104.

The product of its digits is 5971968, while the sum is 51.

The spelling of 2166431334486 in words is "two trillion, one hundred sixty-six billion, four hundred thirty-one million, three hundred thirty-four thousand, four hundred eighty-six".