5166817123 has 16 divisors (see below), whose sum is σ = 5894453376. Its totient is φ = 4486625280.

The previous prime is 5166817121. The next prime is 5166817127. The reversal of 5166817123 is 3217186615.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5166817123 - 2¹ = 5166817121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5166817121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 585915 + ... + 594667.

It is an arithmetic number, because the mean of its divisors is an integer number (368403336).

Almost surely, 2^5166817123 is an apocalyptic number.

5166817123 is a deficient number, since it is larger than the sum of its proper divisors (727636253).

5166817123 is a wasteful number, since it uses less digits than its factorization.

5166817123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11454.

The product of its digits is 60480, while the sum is 40.

The square root of 5166817123 is about 71880.5754220151. The cubic root of 5166817123 is about 1728.7851766305.

The spelling of 5166817123 in words is "five billion, one hundred sixty-six million, eight hundred seventeen thousand, one hundred twenty-three".