654832157820 has 48 divisors (see below), whose sum is σ = 1833697517568. Its totient is φ = 174605958720.

The previous prime is 654832157813. The next prime is 654832157839. The reversal of 654832157820 is 28751238456.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171357 + ... + 1157163.

It is an arithmetic number, because the mean of its divisors is an integer number (38202031616).

Almost surely, 2^654832157820 is an apocalyptic number.

654832157820 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

654832157820 is an abundant number, since it is smaller than the sum of its proper divisors (1178865359748).

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

654832157820 is a wasteful number, since it uses less digits than its factorization.

654832157820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996890 (or 996888 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 654832157820 in words is "six hundred fifty-four billion, eight hundred thirty-two million, one hundred fifty-seven thousand, eight hundred twenty".