660522050 has 24 divisors (see below), whose sum is σ = 1281989376. Its totient is φ = 252721040.

The previous prime is 660522019. The next prime is 660522059. The reversal of 660522050 is 50225066.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (660522059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 286034 + ... + 288333.

It is an arithmetic number, because the mean of its divisors is an integer number (53416224).

Almost surely, 2^660522050 is an apocalyptic number.

660522050 is a deficient number, since it is larger than the sum of its proper divisors (621467326).

660522050 is a wasteful number, since it uses less digits than its factorization.

660522050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574402 (or 574397 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 660522050 is about 25700.6235332920. The cubic root of 660522050 is about 870.8882679162. Note that the first 3 decimals are identical.

The spelling of 660522050 in words is "six hundred sixty million, five hundred twenty-two thousand, fifty".