5665510101066 has 64 divisors (see below), whose sum is σ = 11639032369536. Its totient is φ = 1837508198400.

The previous prime is 5665510101061. The next prime is 5665510101079. The reversal of 5665510101066 is 6601010155665.

It is not an unprimeable number, because it can be changed into a prime (5665510101061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 548925186 + ... + 548935506.

It is an arithmetic number, because the mean of its divisors is an integer number (181859880774).

Almost surely, 2^{5665510101066} is an apocalyptic number.

5665510101066 is an abundant number, since it is smaller than the sum of its proper divisors (5973522268470).

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

5665510101066 is a wasteful number, since it uses less digits than its factorization.

5665510101066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18327.

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 5665510101066 in words is "five trillion, six hundred sixty-five billion, five hundred ten million, one hundred one thousand, sixty-six".