5106621816 has 96 divisors (see below), whose sum is σ = 14580633600. Its totient is φ = 1612215360.

The previous prime is 5106621781. The next prime is 5106621841. The reversal of 5106621816 is 6181266015.

5106621816 is a `hidden beast` number, since 5 + 10 + 6 + 621 + 8 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80565 + ... + 129243.

It is an arithmetic number, because the mean of its divisors is an integer number (151881600).

Almost surely, 2^5106621816 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 5106621816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7290316800).

5106621816 is an abundant number, since it is smaller than the sum of its proper divisors (9474011784).

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

5106621816 is a wasteful number, since it uses less digits than its factorization.

5106621816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48769 (or 48762 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 5106621816 is about 71460.6312314690. The cubic root of 5106621816 is about 1722.0452747427.

The spelling of 5106621816 in words is "five billion, one hundred six million, six hundred twenty-one thousand, eight hundred sixteen".