241616661 has 32 divisors (see below), whose sum is σ = 391547520. Its totient is φ = 130502400.

The previous prime is 241616659. The next prime is 241616663. The reversal of 241616661 is 166616142.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (241616659) and next prime (241616663).

It is not a de Polignac number, because 241616661 - 2¹ = 241616659 is a prime.

It is a super-2 number, since 2×241616661² = 116757221745577842, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241616663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2731 + ... + 22151.

It is an arithmetic number, because the mean of its divisors is an integer number (12235860).

Almost surely, 2^241616661 is an apocalyptic number.

It is an amenable number.

241616661 is a deficient number, since it is larger than the sum of its proper divisors (149930859).

241616661 is a wasteful number, since it uses less digits than its factorization.

241616661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19477.

The product of its digits is 10368, while the sum is 33.

The square root of 241616661 is about 15544.0233208780. The cubic root of 241616661 is about 622.8387524154.

The spelling of 241616661 in words is "two hundred forty-one million, six hundred sixteen thousand, six hundred sixty-one".