6515666150 has 48 divisors (see below), whose sum is σ = 13882040064. Its totient is φ = 2228846880.

The previous prime is 6515666137. The next prime is 6515666197. The reversal of 6515666150 is 516665156.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 6515666098 and 6515666107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134039 + ... + 176061.

It is an arithmetic number, because the mean of its divisors is an integer number (289209168).

Almost surely, 2^6515666150 is an apocalyptic number.

6515666150 is an abundant number, since it is smaller than the sum of its proper divisors (7366373914).

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

6515666150 is a wasteful number, since it uses less digits than its factorization.

6515666150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42485 (or 42480 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 6515666150 is about 80719.6763496980. The cubic root of 6515666150 is about 1867.7537108403.

The spelling of 6515666150 in words is "six billion, five hundred fifteen million, six hundred sixty-six thousand, one hundred fifty".