2160018406 has 24 divisors (see below), whose sum is σ = 4009641264. Its totient is φ = 854511840.

The previous prime is 2160018299. The next prime is 2160018463. The reversal of 2160018406 is 6048100612.

2160018406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 454105 + ... + 458836.

It is an arithmetic number, because the mean of its divisors is an integer number (167068386).

Almost surely, 2^2160018406 is an apocalyptic number.

2160018406 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2160018406 is a deficient number, since it is larger than the sum of its proper divisors (1849622858).

2160018406 is a wasteful number, since it uses less digits than its factorization.

2160018406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912976 (or 912963 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2160018406 is about 46475.9981710990. The cubic root of 2160018406 is about 1292.6644857240.

The spelling of 2160018406 in words is "two billion, one hundred sixty million, eighteen thousand, four hundred six".