225679166847 has 32 divisors (see below), whose sum is σ = 356298946560. Its totient is φ = 140849390880.

The previous prime is 225679166837. The next prime is 225679166849. The reversal of 225679166847 is 748661976522.

225679166847 is a `hidden beast` number, since 2 + 2 + 567 + 9 + 1 + 6 + 68 + 4 + 7 = 666.

It is not a de Polignac number, because 225679166847 - 2⁸ = 225679166591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225679166849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3836904 + ... + 3895277.

It is an arithmetic number, because the mean of its divisors is an integer number (11134342080).

Almost surely, 2^225679166847 is an apocalyptic number.

225679166847 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

225679166847 is a deficient number, since it is larger than the sum of its proper divisors (130619779713).

225679166847 is a wasteful number, since it uses less digits than its factorization.

225679166847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7732260 (or 7732254 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 63.

The spelling of 225679166847 in words is "two hundred twenty-five billion, six hundred seventy-nine million, one hundred sixty-six thousand, eight hundred forty-seven".