655146836552648 has 32 divisors (see below), whose sum is σ = 1340074424777760. Its totient is φ = 297793716612480.

The previous prime is 655146836552543. The next prime is 655146836552653. The reversal of 655146836552648 is 846255638641556.

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, 100459340 + ... + 106781892.

It is an arithmetic number, because the mean of its divisors is an integer number (41877325774305).

Almost surely, 2^{655146836552648} is an apocalyptic number.

It is an amenable number.

655146836552648 is an abundant number, since it is smaller than the sum of its proper divisors (684927588225112).

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

655146836552648 is a wasteful number, since it uses less digits than its factorization.

655146836552648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7500077 (or 7500073 counting only the distinct ones).

The product of its digits is 4976640000, while the sum is 74.

The spelling of 655146836552648 in words is "six hundred fifty-five trillion, one hundred forty-six billion, eight hundred thirty-six million, five hundred fifty-two thousand, six hundred forty-eight".