6580997654 has 16 divisors (see below), whose sum is σ = 12307320576. Its totient is φ = 2564025000.

The previous prime is 6580997641. The next prime is 6580997743. The reversal of 6580997654 is 4567990856.

It is a junction number, because it is equal to n+sod(n) for n = 6580997593 and 6580997602.

It is a congruent number.

It is an unprimeable number.

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, 21366722 + ... + 21367029.

It is an arithmetic number, because the mean of its divisors is an integer number (769207536).

Almost surely, 2^6580997654 is an apocalyptic number.

6580997654 is a deficient number, since it is larger than the sum of its proper divisors (5726322922).

6580997654 is a wasteful number, since it uses less digits than its factorization.

6580997654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42733771.

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

The square root of 6580997654 is about 81123.3483899672. The cubic root of 6580997654 is about 1873.9755141914.

The spelling of 6580997654 in words is "six billion, five hundred eighty million, nine hundred ninety-seven thousand, six hundred fifty-four".