5165902261 has 12 divisors (see below), whose sum is σ = 5597703552. Its totient is φ = 4765237776.

The previous prime is 5165902219. The next prime is 5165902283. The reversal of 5165902261 is 1622095615.

It is not a de Polignac number, because 5165902261 - 2⁹ = 5165901749 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5165902261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5165906261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 255070 + ... + 274576.

It is an arithmetic number, because the mean of its divisors is an integer number (466475296).

Almost surely, 2^5165902261 is an apocalyptic number.

It is an amenable number.

5165902261 is a deficient number, since it is larger than the sum of its proper divisors (431801291).

5165902261 is a wasteful number, since it uses less digits than its factorization.

5165902261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21100 (or 21087 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 5165902261 is about 71874.2113765431. The cubic root of 5165902261 is about 1728.6831348780.

Adding to 5165902261 its reverse (1622095615), we get a palindrome (6787997876).

The spelling of 5165902261 in words is "five billion, one hundred sixty-five million, nine hundred two thousand, two hundred sixty-one".