2166440634296 has 16 divisors (see below), whose sum is σ = 4063007283000. Its totient is φ = 1082972025504.

The previous prime is 2166440634289. The next prime is 2166440634331. The reversal of 2166440634296 is 6924360446612.

It is a happy number.

It is a super-2 number, since 2×2166440634296² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30999371 + ... + 31069178.

Almost surely, 2^{2166440634296} is an apocalyptic number.

It is an amenable number.

2166440634296 is a deficient number, since it is larger than the sum of its proper divisors (1896566648704).

2166440634296 is a wasteful number, since it uses less digits than its factorization.

2166440634296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62072918 (or 62072914 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 53.

The spelling of 2166440634296 in words is "two trillion, one hundred sixty-six billion, four hundred forty million, six hundred thirty-four thousand, two hundred ninety-six".