666225155735 has 8 divisors (see below), whose sum is σ = 800041653600. Its totient is φ = 532599146784.

The previous prime is 666225155719. The next prime is 666225155789. The reversal of 666225155735 is 537551522666.

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

It is a cyclic number.

It is not a de Polignac number, because 666225155735 - 2⁴ = 666225155719 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47614532 + ... + 47628521.

It is an arithmetic number, because the mean of its divisors is an integer number (100005206700).

Almost surely, 2^666225155735 is an apocalyptic number.

666225155735 is a deficient number, since it is larger than the sum of its proper divisors (133816497865).

666225155735 is a wasteful number, since it uses less digits than its factorization.

666225155735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95244457.

The product of its digits is 11340000, while the sum is 53.

The spelling of 666225155735 in words is "six hundred sixty-six billion, two hundred twenty-five million, one hundred fifty-five thousand, seven hundred thirty-five".