2116624666 has 16 divisors (see below), whose sum is σ = 3460361184. Its totient is φ = 965132784.

The previous prime is 2116624663. The next prime is 2116624667. The reversal of 2116624666 is 6664266112.

It is a super-2 number, since 2×2116624666² = 8960199953439223112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2116624663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488256 + ... + 492571.

It is an arithmetic number, because the mean of its divisors is an integer number (216272574).

Almost surely, 2^2116624666 is an apocalyptic number.

2116624666 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2116624666 is a deficient number, since it is larger than the sum of its proper divisors (1343736518).

2116624666 is a wasteful number, since it uses less digits than its factorization.

2116624666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980925.

The product of its digits is 124416, while the sum is 40.

The square root of 2116624666 is about 46006.7893467910. The cubic root of 2116624666 is about 1283.9495249840.

The spelling of 2116624666 in words is "two billion, one hundred sixteen million, six hundred twenty-four thousand, six hundred sixty-six".