2161014633 has 20 divisors (see below), whose sum is σ = 3289097988. Its totient is φ = 1413491040.

The previous prime is 2161014629. The next prime is 2161014641. The reversal of 2161014633 is 3364101612.

2161014633 is a `hidden beast` number, since 2 + 1 + 6 + 10 + 14 + 633 = 666.

2161014633 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 640950489 + 1520064144 = 25317^2 + 38988^2 .

It is not a de Polignac number, because 2161014633 - 2² = 2161014629 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2161014597 and 2161014606.

It is not an unprimeable number, because it can be changed into a prime (2161014673) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 247398 + ... + 255983.

Almost surely, 2^2161014633 is an apocalyptic number.

It is an amenable number.

2161014633 is a deficient number, since it is larger than the sum of its proper divisors (1128083355).

2161014633 is an equidigital number, since it uses as much as digits as its factorization.

2161014633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503446 (or 503437 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2161014633 is about 46486.7145859976. The cubic root of 2161014633 is about 1292.8631860882.

The spelling of 2161014633 in words is "two billion, one hundred sixty-one million, fourteen thousand, six hundred thirty-three".