41666157 has 20 divisors (see below), whose sum is σ = 67031580. Its totient is φ = 25640064.

The previous prime is 41666147. The next prime is 41666171. The reversal of 41666157 is 75166614.

It can be written as a sum of positive squares in 2 ways, for example, as 15256836 + 26409321 = 3906^2 + 5139^2 .

It is not a de Polignac number, because 41666157 - 2⁷ = 41666029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41666117) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18732 + ... + 20837.

It is an arithmetic number, because the mean of its divisors is an integer number (3351579).

Almost surely, 2^41666157 is an apocalyptic number.

It is an amenable number.

41666157 is a deficient number, since it is larger than the sum of its proper divisors (25365423).

41666157 is a wasteful number, since it uses less digits than its factorization.

41666157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39594 (or 39585 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 41666157 is about 6454.9327649481. The cubic root of 41666157 is about 346.6792236370.

The spelling of 41666157 in words is "forty-one million, six hundred sixty-six thousand, one hundred fifty-seven".