654065198972 has 12 divisors (see below), whose sum is σ = 1144667927256. Its totient is φ = 327017219760.

The previous prime is 654065198951. The next prime is 654065198987. The reversal of 654065198972 is 279891560456.

654065198972 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 3 ways as a sum of consecutive naturals, for example, 3748979 + ... + 3919562.

It is an arithmetic number, because the mean of its divisors is an integer number (95388993938).

Almost surely, 2^654065198972 is an apocalyptic number.

It is an amenable number.

654065198972 is a deficient number, since it is larger than the sum of its proper divisors (490602728284).

654065198972 is a wasteful number, since it uses less digits than its factorization.

654065198972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7689868 (or 7689866 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 62.

The spelling of 654065198972 in words is "six hundred fifty-four billion, sixty-five million, one hundred ninety-eight thousand, nine hundred seventy-two".