5126660064 has 36 divisors (see below), whose sum is σ = 14578940376. Its totient is φ = 1708886592.

The previous prime is 5126660059. The next prime is 5126660101. The reversal of 5126660064 is 4600666215.

It is a happy number.

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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8900164 + ... + 8900739.

It is an arithmetic number, because the mean of its divisors is an integer number (404970566).

Almost surely, 2^5126660064 is an apocalyptic number.

It is an amenable number.

5126660064 is an abundant number, since it is smaller than the sum of its proper divisors (9452280312).

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

5126660064 is a wasteful number, since it uses less digits than its factorization.

5126660064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17800919 (or 17800908 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 5126660064 is about 71600.6987675400. The cubic root of 5126660064 is about 1724.2947549347.

The spelling of 5126660064 in words is "five billion, one hundred twenty-six million, six hundred sixty thousand, sixty-four".