6164643161 has 4 divisors (see below), whose sum is σ = 6167438592. Its totient is φ = 6161847732.

The previous prime is 6164643127. The next prime is 6164643179. The reversal of 6164643161 is 1613464616.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6164643161 - 2⁶ = 6164643097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6164643761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1394405 + ... + 1398818.

It is an arithmetic number, because the mean of its divisors is an integer number (1541859648).

Almost surely, 2^6164643161 is an apocalyptic number.

It is an amenable number.

6164643161 is a deficient number, since it is larger than the sum of its proper divisors (2795431).

6164643161 is a wasteful number, since it uses less digits than its factorization.

6164643161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795430.

The product of its digits is 62208, while the sum is 38.

The square root of 6164643161 is about 78515.2415840390. The cubic root of 6164643161 is about 1833.5917554799.

The spelling of 6164643161 in words is "six billion, one hundred sixty-four million, six hundred forty-three thousand, one hundred sixty-one".