2116392290 has 16 divisors (see below), whose sum is σ = 3881384568. Its totient is φ = 830583936.

The previous prime is 2116392277. The next prime is 2116392307. The reversal of 2116392290 is 922936112.

It can be written as a sum of positive squares in 4 ways, for example, as 2116276009 + 116281 = 46003^2 + 341^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2116392290.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1996067 + ... + 1997126.

Almost surely, 2^2116392290 is an apocalyptic number.

2116392290 is a deficient number, since it is larger than the sum of its proper divisors (1764992278).

2116392290 is a wasteful number, since it uses less digits than its factorization.

2116392290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3993253.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 2116392290 is about 46004.2638241283. The cubic root of 2116392290 is about 1283.9025366542.

The spelling of 2116392290 in words is "two billion, one hundred sixteen million, three hundred ninety-two thousand, two hundred ninety".