5166065997 has 24 divisors (see below), whose sum is σ = 7560562464. Its totient is φ = 3398692704.

The previous prime is 5166065977. The next prime is 5166066011. The reversal of 5166065997 is 7995606615.

5166065997 is a `hidden beast` number, since 516 + 60 + 65 + 9 + 9 + 7 = 666.

It is not a de Polignac number, because 5166065997 - 2¹¹ = 5166063949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5166065977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 753298 + ... + 760124.

It is an arithmetic number, because the mean of its divisors is an integer number (315023436).

Almost surely, 2^5166065997 is an apocalyptic number.

It is an amenable number.

5166065997 is a deficient number, since it is larger than the sum of its proper divisors (2394496467).

5166065997 is a wasteful number, since it uses less digits than its factorization.

5166065997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7929 (or 7926 counting only the distinct ones).

The product of its (nonzero) digits is 3061800, while the sum is 54.

The square root of 5166065997 is about 71875.3504130589. The cubic root of 5166065997 is about 1728.7013985267.

The spelling of 5166065997 in words is "five billion, one hundred sixty-six million, sixty-five thousand, nine hundred ninety-seven".