7664494911 has 8 divisors (see below), whose sum is σ = 10757185920. Its totient is φ = 4840733592.

The previous prime is 7664494909. The next prime is 7664494921. The reversal of 7664494911 is 1194944667.

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

It is not a de Polignac number, because 7664494911 - 2¹ = 7664494909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7664494921) 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, 67232355 + ... + 67232468.

It is an arithmetic number, because the mean of its divisors is an integer number (1344648240).

Almost surely, 2^7664494911 is an apocalyptic number.

7664494911 is a deficient number, since it is larger than the sum of its proper divisors (3092691009).

7664494911 is a wasteful number, since it uses less digits than its factorization.

7664494911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134464845.

The product of its digits is 1306368, while the sum is 51.

The square root of 7664494911 is about 87547.1010999222. The cubic root of 7664494911 is about 1971.6410275211.

The spelling of 7664494911 in words is "seven billion, six hundred sixty-four million, four hundred ninety-four thousand, nine hundred eleven".