654196608 has 128 divisors (see below), whose sum is σ = 2079453600. Its totient is φ = 201277440.

The previous prime is 654196607. The next prime is 654196639. The reversal of 654196608 is 806691456.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654196603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37648 + ... + 52208.

Almost surely, 2^654196608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 654196608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1039726800).

654196608 is an abundant number, since it is smaller than the sum of its proper divisors (1425256992).

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

654196608 is a wasteful number, since it uses less digits than its factorization.

654196608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14597 (or 14579 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 654196608 is about 25577.2674068205. The cubic root of 654196608 is about 868.0993465823.

It can be divided in two parts, 65419 and 6608, that added together give a palindrome (72027).

The spelling of 654196608 in words is "six hundred fifty-four million, one hundred ninety-six thousand, six hundred eight".