6666625354 has 8 divisors (see below), whose sum is σ = 10097025120. Its totient is φ = 3300950316.

The previous prime is 6666625349. The next prime is 6666625393. The reversal of 6666625354 is 4535266666.

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

It is a super-2 number, since 2×6666625354² = 88887787221191250632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6666625298 and 6666625307.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16180924 + ... + 16181335.

It is an arithmetic number, because the mean of its divisors is an integer number (1262128140).

Almost surely, 2^6666625354 is an apocalyptic number.

6666625354 is a deficient number, since it is larger than the sum of its proper divisors (3430399766).

6666625354 is a wasteful number, since it uses less digits than its factorization.

6666625354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32362364.

The product of its digits is 4665600, while the sum is 49.

The square root of 6666625354 is about 81649.4051049976. The cubic root of 6666625354 is about 1882.0681700832.

The spelling of 6666625354 in words is "six billion, six hundred sixty-six million, six hundred twenty-five thousand, three hundred fifty-four".