41666649 has 8 divisors (see below), whose sum is σ = 57471360. Its totient is φ = 26819856.

The previous prime is 41666633. The next prime is 41666657. The reversal of 41666649 is 94666614.

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

It is not a de Polignac number, because 41666649 - 2⁴ = 41666633 is a prime.

It is a super-2 number, since 2×41666649² = 3472219277778402, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 41666649.

It is not an unprimeable number, because it can be changed into a prime (41666629) 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, 239377 + ... + 239550.

It is an arithmetic number, because the mean of its divisors is an integer number (7183920).

Almost surely, 2^41666649 is an apocalyptic number.

It is an amenable number.

41666649 is a deficient number, since it is larger than the sum of its proper divisors (15804711).

41666649 is a wasteful number, since it uses less digits than its factorization.

41666649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478959.

The product of its digits is 186624, while the sum is 42.

The square root of 41666649 is about 6454.9708752248. The cubic root of 41666649 is about 346.6805881778.

The spelling of 41666649 in words is "forty-one million, six hundred sixty-six thousand, six hundred forty-nine".