2665164039 has 8 divisors (see below), whose sum is σ = 3565681392. Its totient is φ = 1770711360.

The previous prime is 2665164011. The next prime is 2665164049. The reversal of 2665164039 is 9304615662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2665164039 - 2⁷ = 2665163911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665164049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1515142 + ... + 1516899.

It is an arithmetic number, because the mean of its divisors is an integer number (445710174).

Almost surely, 2^2665164039 is an apocalyptic number.

2665164039 is a deficient number, since it is larger than the sum of its proper divisors (900517353).

2665164039 is a wasteful number, since it uses less digits than its factorization.

2665164039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3032337.

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 2665164039 is about 51625.2267694777. The cubic root of 2665164039 is about 1386.4620338046.

The spelling of 2665164039 in words is "two billion, six hundred sixty-five million, one hundred sixty-four thousand, thirty-nine".