2197860116 has 6 divisors (see below), whose sum is σ = 3846255210. Its totient is φ = 1098930056.

The previous prime is 2197860089. The next prime is 2197860139. The reversal of 2197860116 is 6110687912.

It can be written as a sum of positive squares in only one way, i.e., 2194547716 + 3312400 = 46846^2 + 1820^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274732511 + ... + 274732518.

It is an arithmetic number, because the mean of its divisors is an integer number (641042535).

Almost surely, 2^2197860116 is an apocalyptic number.

It is an amenable number.

2197860116 is a deficient number, since it is larger than the sum of its proper divisors (1648395094).

2197860116 is a wasteful number, since it uses less digits than its factorization.

2197860116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549465033 (or 549465031 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 2197860116 is about 46881.3408084709. The cubic root of 2197860116 is about 1300.1696259922.

The spelling of 2197860116 in words is "two billion, one hundred ninety-seven million, eight hundred sixty thousand, one hundred sixteen".