654134163498 has 24 divisors (see below), whose sum is σ = 1417335314148. Its totient is φ = 218037855552.

The previous prime is 654134163433. The next prime is 654134163499. The reversal of 654134163498 is 894361431456.

It is a happy number.

654134163498 is a `hidden beast` number, since 6 + 5 + 4 + 134 + 16 + 3 + 498 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 636272642889 + 17861520609 = 797667^2 + 133647^2 .

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (654134163499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32686 + ... + 1144262.

Almost surely, 2^654134163498 is an apocalyptic number.

654134163498 is an abundant number, since it is smaller than the sum of its proper divisors (763201150650).

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

654134163498 is a wasteful number, since it uses less digits than its factorization.

654134163498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144278 (or 1144275 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The spelling of 654134163498 in words is "six hundred fifty-four billion, one hundred thirty-four million, one hundred sixty-three thousand, four hundred ninety-eight".