41666291225 has 12 divisors (see below), whose sum is σ = 55640524716. Its totient is φ = 30768953280.

The previous prime is 41666291159. The next prime is 41666291257. The reversal of 41666291225 is 52219266614.

It can be written as a sum of positive squares in 6 ways, for example, as 14616568201 + 27049723024 = 120899^2 + 164468^2 .

It is not a de Polignac number, because 41666291225 - 2¹² = 41666287129 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64101662 + ... + 64102311.

It is an arithmetic number, because the mean of its divisors is an integer number (4636710393).

Almost surely, 2^41666291225 is an apocalyptic number.

It is an amenable number.

41666291225 is a deficient number, since it is larger than the sum of its proper divisors (13974233491).

41666291225 is a wasteful number, since it uses less digits than its factorization.

41666291225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128203996 (or 128203991 counting only the distinct ones).

The product of its digits is 311040, while the sum is 44.

The spelling of 41666291225 in words is "forty-one billion, six hundred sixty-six million, two hundred ninety-one thousand, two hundred twenty-five".