4365916566 has 32 divisors (see below), whose sum is σ = 9578290176. Its totient is φ = 1315692000.

The previous prime is 4365916559. The next prime is 4365916567. The reversal of 4365916566 is 6656195634.

It is a happy number.

It is a super-2 number, since 2×4365916566² = 38122454922546464712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4365916567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170790 + ... + 194681.

It is an arithmetic number, because the mean of its divisors is an integer number (299321568).

Almost surely, 2^4365916566 is an apocalyptic number.

4365916566 is an abundant number, since it is smaller than the sum of its proper divisors (5212373610).

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

4365916566 is a wasteful number, since it uses less digits than its factorization.

4365916566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365668.

The product of its digits is 3499200, while the sum is 51.

The square root of 4365916566 is about 66075.0827922296. The cubic root of 4365916566 is about 1634.4004654995.

The spelling of 4365916566 in words is "four billion, three hundred sixty-five million, nine hundred sixteen thousand, five hundred sixty-six".