41664257 has 8 divisors (see below), whose sum is σ = 43309056. Its totient is φ = 40046832.

The previous prime is 41664251. The next prime is 41664289. The reversal of 41664257 is 75246614.

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 41664257 - 2¹⁰ = 41663233 is a prime.

It is a super-2 number, since 2×41664257² = 3471820622724098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41664251) 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, 3713 + ... + 9854.

It is an arithmetic number, because the mean of its divisors is an integer number (5413632).

Almost surely, 2^41664257 is an apocalyptic number.

It is an amenable number.

41664257 is a deficient number, since it is larger than the sum of its proper divisors (1644799).

41664257 is a wasteful number, since it uses less digits than its factorization.

41664257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13687.

The product of its digits is 40320, while the sum is 35.

The square root of 41664257 is about 6454.7855890029. The cubic root of 41664257 is about 346.6739539683.

The spelling of 41664257 in words is "forty-one million, six hundred sixty-four thousand, two hundred fifty-seven".