5665106512 has 40 divisors (see below), whose sum is σ = 11866568616. Its totient is φ = 2604466176.

The previous prime is 5665106497. The next prime is 5665106521. The reversal of 5665106512 is 2156015665.

It can be written as a sum of positive squares in 4 ways, for example, as 1445824576 + 4219281936 = 38024^2 + 64956^2 .

It is a super-2 number, since 2×5665106512² = 64186863584609612288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468 + ... + 106444.

Almost surely, 2^5665106512 is an apocalyptic number.

5665106512 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5665106512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5933284308).

5665106512 is an abundant number, since it is smaller than the sum of its proper divisors (6201462104).

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

5665106512 is a wasteful number, since it uses less digits than its factorization.

5665106512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106255 (or 106249 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 5665106512 is about 75266.9018360660. The cubic root of 5665106512 is about 1782.6634485722.

The spelling of 5665106512 in words is "five billion, six hundred sixty-five million, one hundred six thousand, five hundred twelve".