5010891066 has 32 divisors (see below), whose sum is σ = 11790334080. Its totient is φ = 1572043968.

The previous prime is 5010891047. The next prime is 5010891077. The reversal of 5010891066 is 6601980105.

5010891066 is a `hidden beast` number, since 501 + 0 + 8 + 91 + 0 + 66 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 5010891066.

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, 2728326 + ... + 2730161.

It is an arithmetic number, because the mean of its divisors is an integer number (368447940).

Almost surely, 2^5010891066 is an apocalyptic number.

5010891066 is an abundant number, since it is smaller than the sum of its proper divisors (6779443014).

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

5010891066 is a wasteful number, since it uses less digits than its factorization.

5010891066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5458515 (or 5458509 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 5010891066 is about 70787.6476936478. The cubic root of 5010891066 is about 1711.2166103618.

The spelling of 5010891066 in words is "five billion, ten million, eight hundred ninety-one thousand, sixty-six".