5166567728 has 40 divisors (see below), whose sum is σ = 11522595840. Its totient is φ = 2198306880.

The previous prime is 5166567661. The next prime is 5166567737. The reversal of 5166567728 is 8277656615.

It is a super-2 number, since 2×5166567728² = 53386844176022163968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5166567728.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150368 + ... + 181503.

It is an arithmetic number, because the mean of its divisors is an integer number (288064896).

Almost surely, 2^5166567728 is an apocalyptic number.

It is an amenable number.

5166567728 is an abundant number, since it is smaller than the sum of its proper divisors (6356028112).

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

5166567728 is a wasteful number, since it uses less digits than its factorization.

5166567728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332025 (or 332019 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 53.

The square root of 5166567728 is about 71878.8406139109. The cubic root of 5166567728 is about 1728.7573608395.

The spelling of 5166567728 in words is "five billion, one hundred sixty-six million, five hundred sixty-seven thousand, seven hundred twenty-eight".