5186666772 has 36 divisors (see below), whose sum is σ = 14983704736. Its totient is φ = 1481904720.

The previous prime is 5186666743. The next prime is 5186666783. The reversal of 5186666772 is 2776666815.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10290754 + ... + 10291257.

Almost surely, 2^5186666772 is an apocalyptic number.

It is an amenable number.

5186666772 is an abundant number, since it is smaller than the sum of its proper divisors (9797037964).

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

5186666772 is a wasteful number, since it uses less digits than its factorization.

5186666772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20582028 (or 20582023 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The square root of 5186666772 is about 72018.5168689275. The cubic root of 5186666772 is about 1730.9962043876.

The spelling of 5186666772 in words is "five billion, one hundred eighty-six million, six hundred sixty-six thousand, seven hundred seventy-two".