2166603522 has 64 divisors (see below), whose sum is σ = 4676952960. Its totient is φ = 668963328.

The previous prime is 2166603463. The next prime is 2166603533. The reversal of 2166603522 is 2253066612.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1974478 + ... + 1975574.

It is an arithmetic number, because the mean of its divisors is an integer number (73077390).

Almost surely, 2^2166603522 is an apocalyptic number.

2166603522 is an abundant number, since it is smaller than the sum of its proper divisors (2510349438).

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

2166603522 is a wasteful number, since it uses less digits than its factorization.

2166603522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220 (or 1186 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 2166603522 is about 46546.7885250959. The cubic root of 2166603522 is about 1293.9767754448.

The spelling of 2166603522 in words is "two billion, one hundred sixty-six million, six hundred three thousand, five hundred twenty-two".