486716661 has 8 divisors (see below), whose sum is σ = 721061760. Its totient is φ = 324477756.

The previous prime is 486716653. The next prime is 486716669. The reversal of 486716661 is 166617684.

It is an interprime number because it is at equal distance from previous prime (486716653) and next prime (486716669).

It is not a de Polignac number, because 486716661 - 2³ = 486716653 is a prime.

It is a super-3 number, since 3×486716661³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486716669) 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, 9013245 + ... + 9013298.

It is an arithmetic number, because the mean of its divisors is an integer number (90132720).

Almost surely, 2^486716661 is an apocalyptic number.

It is an amenable number.

486716661 is a deficient number, since it is larger than the sum of its proper divisors (234345099).

486716661 is a wasteful number, since it uses less digits than its factorization.

486716661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18026552 (or 18026546 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 486716661 is about 22061.6558988667. The cubic root of 486716661 is about 786.6086858979.

It can be divided in two parts, 4867 and 16661, that added together give a triangular number (21528 = T₂₀₇).

The spelling of 486716661 in words is "four hundred eighty-six million, seven hundred sixteen thousand, six hundred sixty-one".