660150022160 has 20 divisors (see below), whose sum is σ = 1534848801708. Its totient is φ = 264060008832.

The previous prime is 660150022159. The next prime is 660150022163. The reversal of 660150022160 is 61220051066.

It can be written as a sum of positive squares in 2 ways, for example, as 160204865536 + 499945156624 = 400256^2 + 707068^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (660150022163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4125937559 + ... + 4125937718.

Almost surely, 2^660150022160 is an apocalyptic number.

It is an amenable number.

660150022160 is an abundant number, since it is smaller than the sum of its proper divisors (874698779548).

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

660150022160 is a wasteful number, since it uses less digits than its factorization.

660150022160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8251875290 (or 8251875284 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 660150022160 in words is "six hundred sixty billion, one hundred fifty million, twenty-two thousand, one hundred sixty".