660275973000 has 1536 divisors, whose sum is σ = 2901629952000. Its totient is φ = 131885107200.

The previous prime is 660275972963. The next prime is 660275973017. The reversal of 660275973000 is 379572066.

660275973000 is a `hidden beast` number, since 6 + 6 + 0 + 27 + 597 + 30 + 0 + 0 = 666.

660275973000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 798398587 + ... + 798399413.

It is an arithmetic number, because the mean of its divisors is an integer number (1889082000).

Almost surely, 2^660275973000 is an apocalyptic number.

660275973000 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 660275973000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1450814976000).

660275973000 is an abundant number, since it is smaller than the sum of its proper divisors (2241353979000).

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

660275973000 is a wasteful number, since it uses less digits than its factorization.

660275973000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932 (or 915 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 45.

The spelling of 660275973000 in words is "six hundred sixty billion, two hundred seventy-five million, nine hundred seventy-three thousand".