2215436166 has 24 divisors (see below), whose sum is σ = 4857947640. Its totient is φ = 729580896.

The previous prime is 2215436159. The next prime is 2215436191. The reversal of 2215436166 is 6616345122.

2215436166 is a `hidden beast` number, since 2 + 215 + 436 + 1 + 6 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2215436166.

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, 739951 + ... + 742938.

It is an arithmetic number, because the mean of its divisors is an integer number (202414485).

Almost surely, 2^2215436166 is an apocalyptic number.

2215436166 is an abundant number, since it is smaller than the sum of its proper divisors (2642511474).

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

2215436166 is a wasteful number, since it uses less digits than its factorization.

2215436166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482980 (or 1482977 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 2215436166 is about 47068.4200499656. The cubic root of 2215436166 is about 1303.6262003815.

The spelling of 2215436166 in words is "two billion, two hundred fifteen million, four hundred thirty-six thousand, one hundred sixty-six".