5165065445 has 16 divisors (see below), whose sum is σ = 6532792560. Its totient is φ = 3914287104.

The previous prime is 5165065441. The next prime is 5165065457. The reversal of 5165065445 is 5445605615.

It can be written as a sum of positive squares in 8 ways, for example, as 613404289 + 4551661156 = 24767^2 + 67466^2 .

It is a cyclic number.

It is not a de Polignac number, because 5165065445 - 2² = 5165065441 is a prime.

It is a super-2 number, since 2×5165065445² = 53355802102266096050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5165065441) 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, 328364 + ... + 343733.

It is an arithmetic number, because the mean of its divisors is an integer number (408299535).

Almost surely, 2^5165065445 is an apocalyptic number.

It is an amenable number.

5165065445 is a deficient number, since it is larger than the sum of its proper divisors (1367727115).

5165065445 is a wasteful number, since it uses less digits than its factorization.

5165065445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672184.

The product of its (nonzero) digits is 360000, while the sum is 41.

The square root of 5165065445 is about 71868.3897482057. The cubic root of 5165065445 is about 1728.5897876594.

The spelling of 5165065445 in words is "five billion, one hundred sixty-five million, sixty-five thousand, four hundred forty-five".