654313660 has 384 divisors, whose sum is σ = 2032128000. Its totient is φ = 173859840.

The previous prime is 654313619. The next prime is 654313687. The reversal of 654313660 is 66313456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 22562526 + ... + 22562554.

It is an arithmetic number, because the mean of its divisors is an integer number (5292000).

Almost surely, 2^654313660 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 654313660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1016064000).

654313660 is an abundant number, since it is smaller than the sum of its proper divisors (1377814340).

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

654313660 is a wasteful number, since it uses less digits than its factorization.

654313660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 654313660 is about 25579.5555082570. Note that the first 4 decimals coincide. The cubic root of 654313660 is about 868.1511183299.

The spelling of 654313660 in words is "six hundred fifty-four million, three hundred thirteen thousand, six hundred sixty".