165087626841 has 12 divisors (see below), whose sum is σ = 252486958932. Its totient is φ = 103584393216.

The previous prime is 165087626801. The next prime is 165087626857. The reversal of 165087626841 is 148626780561.

165087626841 is a `hidden beast` number, since 1 + 6 + 5 + 0 + 8 + 7 + 626 + 8 + 4 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 60486483600 + 104601143241 = 245940^2 + 323421^2 .

It is not a de Polignac number, because 165087626841 - 2¹⁰ = 165087625817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165087626801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 539501896 + ... + 539502201.

It is an arithmetic number, because the mean of its divisors is an integer number (21040579911).

Almost surely, 2^165087626841 is an apocalyptic number.

It is an amenable number.

165087626841 is a deficient number, since it is larger than the sum of its proper divisors (87399332091).

165087626841 is a wasteful number, since it uses less digits than its factorization.

165087626841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079004120 (or 1079004117 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 165087626841 in words is "one hundred sixty-five billion, eighty-seven million, six hundred twenty-six thousand, eight hundred forty-one".