5166511620 has 96 divisors (see below), whose sum is σ = 15210961920. Its totient is φ = 1307729280.

The previous prime is 5166511591. The next prime is 5166511631. The reversal of 5166511620 is 261156615.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166491 + ... + 195069.

It is an arithmetic number, because the mean of its divisors is an integer number (158447520).

Almost surely, 2^5166511620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5166511620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7605480960).

5166511620 is an abundant number, since it is smaller than the sum of its proper divisors (10044450300).

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

5166511620 is a wasteful number, since it uses less digits than its factorization.

5166511620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28745 (or 28743 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 5166511620 is about 71878.4503171848. The cubic root of 5166511620 is about 1728.7511028184.

The spelling of 5166511620 in words is "five billion, one hundred sixty-six million, five hundred eleven thousand, six hundred twenty".