5261165973 has 32 divisors (see below), whose sum is σ = 8918232320. Its totient is φ = 3002857920.

The previous prime is 5261165969. The next prime is 5261165989. The reversal of 5261165973 is 3795611625.

5261165973 is a `hidden beast` number, since 52 + 6 + 1 + 1 + 6 + 597 + 3 = 666.

It is not a de Polignac number, because 5261165973 - 2² = 5261165969 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5261165963) 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, 149883 + ... + 181623.

It is an arithmetic number, because the mean of its divisors is an integer number (278694760).

Almost surely, 2^5261165973 is an apocalyptic number.

It is an amenable number.

5261165973 is a deficient number, since it is larger than the sum of its proper divisors (3657066347).

5261165973 is a wasteful number, since it uses less digits than its factorization.

5261165973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32634 (or 32628 counting only the distinct ones).

The product of its digits is 340200, while the sum is 45.

The square root of 5261165973 is about 72533.8953386622. The cubic root of 5261165973 is about 1739.2446156329.

The spelling of 5261165973 in words is "five billion, two hundred sixty-one million, one hundred sixty-five thousand, nine hundred seventy-three".