5166637756 has 48 divisors (see below), whose sum is σ = 10958334912. Its totient is φ = 2080742400.

The previous prime is 5166637733. The next prime is 5166637787. The reversal of 5166637756 is 6577366615.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306426 + ... + 322846.

It is an arithmetic number, because the mean of its divisors is an integer number (228298644).

Almost surely, 2^5166637756 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 5166637756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5479167456).

5166637756 is an abundant number, since it is smaller than the sum of its proper divisors (5791697156).

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

5166637756 is a wasteful number, since it uses less digits than its factorization.

5166637756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17110 (or 17108 counting only the distinct ones).

The product of its digits is 4762800, while the sum is 52.

The square root of 5166637756 is about 71879.3277375352. The cubic root of 5166637756 is about 1728.7651713680.

The spelling of 5166637756 in words is "five billion, one hundred sixty-six million, six hundred thirty-seven thousand, seven hundred fifty-six".