6669264071 has 4 divisors (see below), whose sum is σ = 6709199952. Its totient is φ = 6629328192.

The previous prime is 6669264061. The next prime is 6669264079. The reversal of 6669264071 is 1704629666.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1704629666 = 2 ⋅852314833.

It is not a de Polignac number, because 6669264071 - 2¹⁴ = 6669247687 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 (6669264079) 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, 19967690 + ... + 19968023.

It is an arithmetic number, because the mean of its divisors is an integer number (1677299988).

Almost surely, 2^6669264071 is an apocalyptic number.

6669264071 is a deficient number, since it is larger than the sum of its proper divisors (39935881).

6669264071 is a wasteful number, since it uses less digits than its factorization.

6669264071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39935880.

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 6669264071 is about 81665.5623319891. The cubic root of 6669264071 is about 1882.3164511313.

The spelling of 6669264071 in words is "six billion, six hundred sixty-nine million, two hundred sixty-four thousand, seventy-one".