660271150 has 96 divisors (see below), whose sum is σ = 1542758400. Its totient is φ = 204240000.

The previous prime is 660271121. The next prime is 660271151. The reversal of 660271150 is 51172066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660271151) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 573075 + ... + 574225.

It is an arithmetic number, because the mean of its divisors is an integer number (16070400).

Almost surely, 2^660271150 is an apocalyptic number.

660271150 is an abundant number, since it is smaller than the sum of its proper divisors (882487250).

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

660271150 is a wasteful number, since it uses less digits than its factorization.

660271150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330 (or 1325 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 660271150 is about 25695.7418651418. The cubic root of 660271150 is about 870.7779846744. Note that the first 3 decimals are identical.

The spelling of 660271150 in words is "six hundred sixty million, two hundred seventy-one thousand, one hundred fifty".