6516128090 has 32 divisors (see below), whose sum is σ = 12680046720. Its totient is φ = 2402529984.

The previous prime is 6516128083. The next prime is 6516128107. The reversal of 6516128090 is 908216156.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456422 + ... + 470481.

It is an arithmetic number, because the mean of its divisors is an integer number (396251460).

Almost surely, 2^6516128090 is an apocalyptic number.

6516128090 is a deficient number, since it is larger than the sum of its proper divisors (6163918630).

6516128090 is a wasteful number, since it uses less digits than its factorization.

6516128090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926966.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 6516128090 is about 80722.5376831031. The cubic root of 6516128090 is about 1867.7978490625.

The spelling of 6516128090 in words is "six billion, five hundred sixteen million, one hundred twenty-eight thousand, ninety".