5150661066 has 12 divisors (see below), whose sum is σ = 11159765682. Its totient is φ = 1716887016.

The previous prime is 5150661041. The next prime is 5150661079. The reversal of 5150661066 is 6601660515.

It can be written as a sum of positive squares in only one way, i.e., 5147345025 + 3316041 = 71745^2 + 1821^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5150661066.

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, 143073901 + ... + 143073936.

Almost surely, 2^5150661066 is an apocalyptic number.

5150661066 is an abundant number, since it is smaller than the sum of its proper divisors (6009104616).

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

5150661066 is a wasteful number, since it uses less digits than its factorization.

5150661066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286147845 (or 286147842 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 5150661066 is about 71768.1061893095. The cubic root of 5150661066 is about 1726.9813895306.

The spelling of 5150661066 in words is "five billion, one hundred fifty million, six hundred sixty-one thousand, sixty-six".