41666613 has 8 divisors (see below), whose sum is σ = 56847648. Its totient is φ = 27131664.

The previous prime is 41666587. The next prime is 41666621. The reversal of 41666613 is 31666614.

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

It is not a de Polignac number, because 41666613 - 2⁸ = 41666357 is a prime.

It is a super-2 number, since 2×41666613² = 3472213277783538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41666623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161370 + ... + 161627.

It is an arithmetic number, because the mean of its divisors is an integer number (7105956).

Almost surely, 2^41666613 is an apocalyptic number.

41666613 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

41666613 is a deficient number, since it is larger than the sum of its proper divisors (15181035).

41666613 is a wasteful number, since it uses less digits than its factorization.

41666613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323043.

The product of its digits is 15552, while the sum is 33.

The square root of 41666613 is about 6454.9680866756. The cubic root of 41666613 is about 346.6804883337.

Subtracting from 41666613 its reverse (31666614), we obtain a palindrome (9999999).

The spelling of 41666613 in words is "forty-one million, six hundred sixty-six thousand, six hundred thirteen".