5166546615 has 48 divisors (see below), whose sum is σ = 9254295648. Its totient is φ = 2664430848.

The previous prime is 5166546613. The next prime is 5166546643. The reversal of 5166546615 is 5166456615.

5166546615 is a `hidden beast` number, since 516 + 65 + 4 + 66 + 15 = 666.

It is not a de Polignac number, because 5166546615 - 2¹ = 5166546613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5166546611) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 261877 + ... + 280913.

It is an arithmetic number, because the mean of its divisors is an integer number (192797826).

Almost surely, 2^5166546615 is an apocalyptic number.

5166546615 is a deficient number, since it is larger than the sum of its proper divisors (4087749033).

5166546615 is a wasteful number, since it uses less digits than its factorization.

5166546615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19248 (or 19245 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 5166546615 is about 71878.6937485650. The cubic root of 5166546615 is about 1728.7550060006.

Subtracting from 5166546615 its reverse (5166456615), we obtain a square (90000 = 300²).

The spelling of 5166546615 in words is "five billion, one hundred sixty-six million, five hundred forty-six thousand, six hundred fifteen".