5626767666 has 64 divisors (see below), whose sum is σ = 12458299392. Its totient is φ = 1683243072.

The previous prime is 5626767649. The next prime is 5626767683. The reversal of 5626767666 is 6667676265.

It is an interprime number because it is at equal distance from previous prime (5626767649) and next prime (5626767683).

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, 744181 + ... + 751703.

It is an arithmetic number, because the mean of its divisors is an integer number (194660928).

Almost surely, 2^5626767666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5626767666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6229149696).

5626767666 is an abundant number, since it is smaller than the sum of its proper divisors (6831531726).

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

5626767666 is a wasteful number, since it uses less digits than its factorization.

5626767666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7807.

The product of its digits is 22861440, while the sum is 57.

The square root of 5626767666 is about 75011.7835143253. The cubic root of 5626767666 is about 1778.6329260485.

The spelling of 5626767666 in words is "five billion, six hundred twenty-six million, seven hundred sixty-seven thousand, six hundred sixty-six".