654165381456 has 60 divisors (see below), whose sum is σ = 1830841767040. Its totient is φ = 218044733760.

The previous prime is 654165381451. The next prime is 654165381497. The reversal of 654165381456 is 654183561456.

654165381456 is a `hidden beast` number, since 6 + 5 + 41 + 6 + 538 + 14 + 56 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654165381451) 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 11 ways as a sum of consecutive naturals, for example, 3293121 + ... + 3486111.

Almost surely, 2^654165381456 is an apocalyptic number.

It is an amenable number.

654165381456 is an abundant number, since it is smaller than the sum of its proper divisors (1176676385584).

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

654165381456 is a wasteful number, since it uses less digits than its factorization.

654165381456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216544 (or 216535 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 54.

The spelling of 654165381456 in words is "six hundred fifty-four billion, one hundred sixty-five million, three hundred eighty-one thousand, four hundred fifty-six".