41664657 has 8 divisors (see below), whose sum is σ = 55615680. Its totient is φ = 27745040.

The previous prime is 41664653. The next prime is 41664691. The reversal of 41664657 is 75646614.

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 41664657 - 2² = 41664653 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41664653) 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, 4557 + ... + 10202.

It is an arithmetic number, because the mean of its divisors is an integer number (6951960).

Almost surely, 2^41664657 is an apocalyptic number.

It is an amenable number.

41664657 is a deficient number, since it is larger than the sum of its proper divisors (13951023).

41664657 is a wasteful number, since it uses less digits than its factorization.

41664657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15703.

The product of its digits is 120960, while the sum is 39.

The square root of 41664657 is about 6454.8165736913. The cubic root of 41664657 is about 346.6750633855.

It can be divided in two parts, 4 and 1664657, that added together give a palindrome (1664661).

The spelling of 41664657 in words is "forty-one million, six hundred sixty-four thousand, six hundred fifty-seven".