6650162161525 has 6 divisors (see below), whose sum is σ = 8246201080322. Its totient is φ = 5320129729200.

The previous prime is 6650162161453. The next prime is 6650162161529. The reversal of 6650162161525 is 5251612610566.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 25875296164 + 6624286865361 = 160858^2 + 2573769^2 .

It is not a de Polignac number, because 6650162161525 - 2⁷ = 6650162161397 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 (6650162161529) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 133003243206 + ... + 133003243255.

Almost surely, 2^{6650162161525} is an apocalyptic number.

It is an amenable number.

6650162161525 is a deficient number, since it is larger than the sum of its proper divisors (1596038918797).

6650162161525 is a wasteful number, since it uses less digits than its factorization.

6650162161525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266006486471 (or 266006486466 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 46.

The spelling of 6650162161525 in words is "six trillion, six hundred fifty billion, one hundred sixty-two million, one hundred sixty-one thousand, five hundred twenty-five".