654329596566 has 16 divisors (see below), whose sum is σ = 1339093128384. Its totient is φ = 213037542984.

The previous prime is 654329596549. The next prime is 654329596577. The reversal of 654329596566 is 665695923456.

It is a junction number, because it is equal to n+sod(n) for n = 654329596497 and 654329596506.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1268080356 + ... + 1268080871.

It is an arithmetic number, because the mean of its divisors is an integer number (83693320524).

Almost surely, 2^654329596566 is an apocalyptic number.

654329596566 is an abundant number, since it is smaller than the sum of its proper divisors (684763531818).

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

654329596566 is a wasteful number, since it uses less digits than its factorization.

654329596566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2536161275.

The product of its digits is 314928000, while the sum is 66.

The spelling of 654329596566 in words is "six hundred fifty-four billion, three hundred twenty-nine million, five hundred ninety-six thousand, five hundred sixty-six".