660158585616480 has 192 divisors, whose sum is σ = 2202107254619328. Its totient is φ = 165665474150400.

The previous prime is 660158585616443. The next prime is 660158585616527. The reversal of 660158585616480 is 84616585851066.

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, 58047030 + ... + 68481930.

It is an arithmetic number, because the mean of its divisors is an integer number (11469308617809).

Almost surely, 2^{660158585616480} is an apocalyptic number.

660158585616480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 660158585616480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1101053627309664).

660158585616480 is an abundant number, since it is smaller than the sum of its proper divisors (1541948669002848).

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

660158585616480 is a wasteful number, since it uses less digits than its factorization.

660158585616480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10442689 (or 10442681 counting only the distinct ones).

The product of its (nonzero) digits is 331776000, while the sum is 69.

The spelling of 660158585616480 in words is "six hundred sixty trillion, one hundred fifty-eight billion, five hundred eighty-five million, six hundred sixteen thousand, four hundred eighty".