7664171441 has 4 divisors (see below), whose sum is σ = 7670081892. Its totient is φ = 7658260992.

The previous prime is 7664171429. The next prime is 7664171443. The reversal of 7664171441 is 1441714667.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1441714667 = 643 ⋅2242169.

It can be written as a sum of positive squares in 2 ways, for example, as 7340891041 + 323280400 = 85679^2 + 17980^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7664171441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7664171443) 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, 2953280 + ... + 2955873.

It is an arithmetic number, because the mean of its divisors is an integer number (1917520473).

Almost surely, 2^7664171441 is an apocalyptic number.

It is an amenable number.

7664171441 is a deficient number, since it is larger than the sum of its proper divisors (5910451).

7664171441 is a wasteful number, since it uses less digits than its factorization.

7664171441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5910450.

The product of its digits is 112896, while the sum is 41.

The square root of 7664171441 is about 87545.2536748852. The cubic root of 7664171441 is about 1971.6132902859.

The spelling of 7664171441 in words is "seven billion, six hundred sixty-four million, one hundred seventy-one thousand, four hundred forty-one".