5166606816 has 384 divisors, whose sum is σ = 18834923520. Its totient is φ = 1343692800.

The previous prime is 5166606811. The next prime is 5166606827. The reversal of 5166606816 is 6186066615.

It is a super-2 number, since 2×5166606816² = 53387651982275315712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5166606811) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3186486 + ... + 3188106.

It is an arithmetic number, because the mean of its divisors is an integer number (49049280).

Almost surely, 2^5166606816 is an apocalyptic number.

5166606816 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5166606816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9417461760).

5166606816 is an abundant number, since it is smaller than the sum of its proper divisors (13668316704).

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

5166606816 is a wasteful number, since it uses less digits than its factorization.

5166606816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695 (or 1681 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 5166606816 is about 71879.1125153893. The cubic root of 5166606816 is about 1728.7617205034.

The spelling of 5166606816 in words is "five billion, one hundred sixty-six million, six hundred six thousand, eight hundred sixteen".