654759968 has 48 divisors (see below), whose sum is σ = 1331025696. Its totient is φ = 316861440.

The previous prime is 654759967. The next prime is 654759971. The reversal of 654759968 is 869957456.

It is a super-2 number, since 2×654759968² = 857421231390722048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (654759967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153383 + ... + 157593.

It is an arithmetic number, because the mean of its divisors is an integer number (27729702).

Almost surely, 2^654759968 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 654759968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665512848).

654759968 is an abundant number, since it is smaller than the sum of its proper divisors (676265728).

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

654759968 is a wasteful number, since it uses less digits than its factorization.

654759968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4377 (or 4369 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 59.

The square root of 654759968 is about 25588.2779412762. The cubic root of 654759968 is about 868.3484623817.

The spelling of 654759968 in words is "six hundred fifty-four million, seven hundred fifty-nine thousand, nine hundred sixty-eight".