2664164773 has 4 divisors (see below), whose sum is σ = 2779998048. Its totient is φ = 2548331500.

The previous prime is 2664164753. The next prime is 2664164801. The reversal of 2664164773 is 3774614662.

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 a de Polignac number, because none of the positive numbers 2^k-2664164773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664164753) 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, 57916603 + ... + 57916648.

It is an arithmetic number, because the mean of its divisors is an integer number (694999512).

Almost surely, 2^2664164773 is an apocalyptic number.

2664164773 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2664164773 is a deficient number, since it is larger than the sum of its proper divisors (115833275).

2664164773 is a wasteful number, since it uses less digits than its factorization.

2664164773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115833274.

The product of its digits is 1016064, while the sum is 46.

The square root of 2664164773 is about 51615.5477835894. The cubic root of 2664164773 is about 1386.2887339579.

The spelling of 2664164773 in words is "two billion, six hundred sixty-four million, one hundred sixty-four thousand, seven hundred seventy-three".