654246414666 has 48 divisors (see below), whose sum is σ = 1563808526280. Its totient is φ = 196396669440.

The previous prime is 654246414649. The next prime is 654246414677. The reversal of 654246414666 is 666414642456.

It can be written as a sum of positive squares in 4 ways, for example, as 330764164641 + 323482250025 = 575121^2 + 568755^2 .

It is a super-2 number, since 2×654246414666² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34087051 + ... + 34106238.

Almost surely, 2^654246414666 is an apocalyptic number.

654246414666 is an abundant number, since it is smaller than the sum of its proper divisors (909562111614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

654246414666 is a wasteful number, since it uses less digits than its factorization.

654246414666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68193351 (or 68193348 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 54.

The spelling of 654246414666 in words is "six hundred fifty-four billion, two hundred forty-six million, four hundred fourteen thousand, six hundred sixty-six".