654305561331312 has 160 divisors (see below), whose sum is σ = 1872259293450240. Its totient is φ = 195233105928960.

The previous prime is 654305561331299. The next prime is 654305561331349. The reversal of 654305561331312 is 213133165503456.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80420239 + ... + 88181777.

It is an arithmetic number, because the mean of its divisors is an integer number (11701620584064).

Almost surely, 2^{654305561331312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 654305561331312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (936129646725120).

654305561331312 is an abundant number, since it is smaller than the sum of its proper divisors (1217953732118928).

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

654305561331312 is a wasteful number, since it uses less digits than its factorization.

654305561331312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7764011 (or 7764005 counting only the distinct ones).

The product of its (nonzero) digits is 2916000, while the sum is 48.

The spelling of 654305561331312 in words is "six hundred fifty-four trillion, three hundred five billion, five hundred sixty-one million, three hundred thirty-one thousand, three hundred twelve".