6163661 has 6 divisors (see below), whose sum is σ = 7170030. Its totient is φ = 5283096.

The previous prime is 6163649. The next prime is 6163679. The reversal of 6163661 is 1663616.

6163661 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 5175625 + 988036 = 2275^2 + 994^2 .

It is not a de Polignac number, because 6163661 - 2¹⁴ = 6147277 is a prime.

6163661 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6163601) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62846 + ... + 62943.

It is an arithmetic number, because the mean of its divisors is an integer number (1195005).

Almost surely, 2^6163661 is an apocalyptic number.

It is an amenable number.

6163661 is a deficient number, since it is larger than the sum of its proper divisors (1006369).

6163661 is a wasteful number, since it uses less digits than its factorization.

6163661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125803 (or 125796 counting only the distinct ones).

The product of its digits is 3888, while the sum is 29.

The square root of 6163661 is about 2482.6721491168. The cubic root of 6163661 is about 183.3494373365.

The spelling of 6163661 in words is "six million, one hundred sixty-three thousand, six hundred sixty-one".