654431140606 has 8 divisors (see below), whose sum is σ = 981685327104. Its totient is φ = 327202698240.

The previous prime is 654431140603. The next prime is 654431140609. The reversal of 654431140606 is 606041134456.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (654431140603) and next prime (654431140609).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654431140603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6372355 + ... + 6474238.

It is an arithmetic number, because the mean of its divisors is an integer number (122710665888).

Almost surely, 2^654431140606 is an apocalyptic number.

654431140606 is a deficient number, since it is larger than the sum of its proper divisors (327254186498).

654431140606 is a wasteful number, since it uses less digits than its factorization.

654431140606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12872066.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 654431140606 in words is "six hundred fifty-four billion, four hundred thirty-one million, one hundred forty thousand, six hundred six".