6001666156560 has 160 divisors (see below), whose sum is σ = 19720533912192. Its totient is φ = 1504698818560.

The previous prime is 6001666156517. The next prime is 6001666156589. The reversal of 6001666156560 is 656516661006.

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

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, 3057667 + ... + 4620893.

Almost surely, 2^{6001666156560} is an apocalyptic number.

6001666156560 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 6001666156560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9860266956096).

6001666156560 is an abundant number, since it is smaller than the sum of its proper divisors (13718867755632).

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

6001666156560 is a wasteful number, since it uses less digits than its factorization.

6001666156560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564201 (or 1564195 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 6001666156560 in words is "six trillion, one billion, six hundred sixty-six million, one hundred fifty-six thousand, five hundred sixty".