5660121064 has 32 divisors (see below), whose sum is σ = 11435233320. Its totient is φ = 2610959616.

The previous prime is 5660121059. The next prime is 5660121067. The reversal of 5660121064 is 4601210665.

It can be written as a sum of positive squares in 4 ways, for example, as 2221236900 + 3438884164 = 47130^2 + 58642^2 .

It is not an unprimeable number, because it can be changed into a prime (5660121067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194062 + ... + 221314.

Almost surely, 2^5660121064 is an apocalyptic number.

It is an amenable number.

5660121064 is an abundant number, since it is smaller than the sum of its proper divisors (5775112256).

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

5660121064 is a wasteful number, since it uses less digits than its factorization.

5660121064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29269 (or 29265 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 5660121064 is about 75233.7760849474. The cubic root of 5660121064 is about 1782.1403643062.

The spelling of 5660121064 in words is "five billion, six hundred sixty million, one hundred twenty-one thousand, sixty-four".