6672256699 has 4 divisors (see below), whose sum is σ = 6675419520. Its totient is φ = 6669093880.

The previous prime is 6672256687. The next prime is 6672256709. The reversal of 6672256699 is 9966522766.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9966522766 = 2 ⋅4983261383.

It is a cyclic number.

It is not a de Polignac number, because 6672256699 - 2⁹ = 6672256187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6672256639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1578244 + ... + 1582465.

It is an arithmetic number, because the mean of its divisors is an integer number (1668854880).

Almost surely, 2^6672256699 is an apocalyptic number.

6672256699 is a deficient number, since it is larger than the sum of its proper divisors (3162821).

6672256699 is a wasteful number, since it uses less digits than its factorization.

6672256699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162820.

The product of its digits is 14696640, while the sum is 58.

The square root of 6672256699 is about 81683.8827370492. The cubic root of 6672256699 is about 1882.5979529837.

The spelling of 6672256699 in words is "six billion, six hundred seventy-two million, two hundred fifty-six thousand, six hundred ninety-nine".