2170604156 has 48 divisors (see below), whose sum is σ = 4663008000. Its totient is φ = 881287344.

The previous prime is 2170604141. The next prime is 2170604167. The reversal of 2170604156 is 6514060712.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 15566 + ... + 67701.

It is an arithmetic number, because the mean of its divisors is an integer number (97146000).

Almost surely, 2^2170604156 is an apocalyptic number.

It is an amenable number.

2170604156 is an abundant number, since it is smaller than the sum of its proper divisors (2492403844).

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

2170604156 is a wasteful number, since it uses less digits than its factorization.

2170604156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83311 (or 83295 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 2170604156 is about 46589.7430342774. The cubic root of 2170604156 is about 1294.7727285605.

Adding to 2170604156 its reverse (6514060712), we get a palindrome (8684664868).

The spelling of 2170604156 in words is "two billion, one hundred seventy million, six hundred four thousand, one hundred fifty-six".