2161486683 has 24 divisors (see below), whose sum is σ = 3375304400. Its totient is φ = 1328249664.

The previous prime is 2161486681. The next prime is 2161486697. The reversal of 2161486683 is 3866841612.

2161486683 is a `hidden beast` number, since 2 + 161 + 486 + 6 + 8 + 3 = 666.

2161486683 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2161486683 - 2¹ = 2161486681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2161486681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164488 + ... + 177141.

Almost surely, 2^2161486683 is an apocalyptic number.

2161486683 is a deficient number, since it is larger than the sum of its proper divisors (1213817717).

2161486683 is a wasteful number, since it uses less digits than its factorization.

2161486683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341691 (or 341688 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 2161486683 is about 46491.7915658237. The cubic root of 2161486683 is about 1292.9573165067.

The spelling of 2161486683 in words is "two billion, one hundred sixty-one million, four hundred eighty-six thousand, six hundred eighty-three".