654897606798456 has 48 divisors (see below), whose sum is σ = 2027064021044400. Its totient is φ = 187113601942272.

The previous prime is 654897606798403. The next prime is 654897606798481.

654897606798456 is a `hidden beast` number, since 6 + 5 + 4 + 8 + 9 + 7 + 6 + 0 + 67 + 98 + 456 = 666.

654897606798456 is nontrivially palindromic in base 10.

654897606798456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 649700006241 + ... + 649700007248.

It is an arithmetic number, because the mean of its divisors is an integer number (42230500438425).

Almost surely, 2^{654897606798456} is an apocalyptic number.

It is an amenable number.

654897606798456 is an abundant number, since it is smaller than the sum of its proper divisors (1372166414245944).

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

654897606798456 is a wasteful number, since it uses less digits than its factorization.

654897606798456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299400013508 (or 1299400013501 counting only the distinct ones).

The product of its (nonzero) digits is 131681894400, while the sum is 90.

The spelling of 654897606798456 in words is "six hundred fifty-four trillion, eight hundred ninety-seven billion, six hundred six million, seven hundred ninety-eight thousand, four hundred fifty-six".