2609671164 has 12 divisors (see below), whose sum is σ = 6089232744. Its totient is φ = 869890384.

The previous prime is 2609671157. The next prime is 2609671177. The reversal of 2609671164 is 4611769062.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2609671164² = 13620767168426229792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108736287 + ... + 108736310.

It is an arithmetic number, because the mean of its divisors is an integer number (507436062).

Almost surely, 2^2609671164 is an apocalyptic number.

It is an amenable number.

2609671164 is an abundant number, since it is smaller than the sum of its proper divisors (3479561580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2609671164 is a wasteful number, since it uses less digits than its factorization.

2609671164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217472604 (or 217472602 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 2609671164 is about 51084.9406772681. The cubic root of 2609671164 is about 1376.7716955074.

The spelling of 2609671164 in words is "two billion, six hundred nine million, six hundred seventy-one thousand, one hundred sixty-four".