654225590418 has 16 divisors (see below), whose sum is σ = 1343814726720. Its totient is φ = 212181272496.

The previous prime is 654225590399. The next prime is 654225590429. The reversal of 654225590418 is 814095522456.

It is a super-2 number, since 2×654225590418² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1473480838 + ... + 1473481281.

It is an arithmetic number, because the mean of its divisors is an integer number (83988420420).

Almost surely, 2^654225590418 is an apocalyptic number.

654225590418 is an abundant number, since it is smaller than the sum of its proper divisors (689589136302).

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

654225590418 is a wasteful number, since it uses less digits than its factorization.

654225590418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2946962161.

The product of its (nonzero) digits is 3456000, while the sum is 51.

The spelling of 654225590418 in words is "six hundred fifty-four billion, two hundred twenty-five million, five hundred ninety thousand, four hundred eighteen".