660124421316 has 36 divisors (see below), whose sum is σ = 1691506039132. Its totient is φ = 217027206144.

The previous prime is 660124421293. The next prime is 660124421317. The reversal of 660124421316 is 613124421066.

660124421316 is a `hidden beast` number, since 6 + 601 + 2 + 4 + 42 + 1 + 3 + 1 + 6 = 666.

660124421316 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 193867612416 + 466256808900 = 440304^2 + 682830^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (660124421317) 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, 125591821 + ... + 125597076.

Almost surely, 2^660124421316 is an apocalyptic number.

It is an amenable number.

660124421316 is an abundant number, since it is smaller than the sum of its proper divisors (1031381617816).

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

660124421316 is a wasteful number, since it uses less digits than its factorization.

660124421316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251188980 (or 251188975 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 660124421316 in words is "six hundred sixty billion, one hundred twenty-four million, four hundred twenty-one thousand, three hundred sixteen".