654212466 has 24 divisors (see below), whose sum is σ = 1455771564. Its totient is φ = 212176800.

The previous prime is 654212417. The next prime is 654212477. The reversal of 654212466 is 664212456.

It can be written as a sum of positive squares in 2 ways, for example, as 559559025 + 94653441 = 23655^2 + 9729^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 654212466.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 490485 + ... + 491816.

Almost surely, 2^654212466 is an apocalyptic number.

654212466 is an abundant number, since it is smaller than the sum of its proper divisors (801559098).

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

654212466 is a wasteful number, since it uses less digits than its factorization.

654212466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982346 (or 982343 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 654212466 is about 25577.5774067835. The cubic root of 654212466 is about 868.1063608896.

The spelling of 654212466 in words is "six hundred fifty-four million, two hundred twelve thousand, four hundred sixty-six".