6164649 has 6 divisors (see below), whose sum is σ = 8904506. Its totient is φ = 4109760.

The previous prime is 6164647. The next prime is 6164651. The reversal of 6164649 is 9464616.

6164649 is a `hidden beast` number, since 6 + 1 + 6 + 4 + 649 = 666.

6164649 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6164647) and next prime (6164651).

It can be written as a sum of positive squares in only one way, i.e., 5978025 + 186624 = 2445^2 + 432^2 .

It is not a de Polignac number, because 6164649 - 2¹ = 6164647 is a prime.

It is a Duffinian number.

6164649 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6164647) 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, 342472 + ... + 342489.

Almost surely, 2^6164649 is an apocalyptic number.

It is an amenable number.

6164649 is a deficient number, since it is larger than the sum of its proper divisors (2739857).

6164649 is a wasteful number, since it uses less digits than its factorization.

6164649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684967 (or 684964 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 6164649 is about 2482.8711202960. The cubic root of 6164649 is about 183.3592334391.

The spelling of 6164649 in words is "six million, one hundred sixty-four thousand, six hundred forty-nine".