165141562825 has 12 divisors (see below), whose sum is σ = 205906900108. Its totient is φ = 131383339200.

The previous prime is 165141562799. The next prime is 165141562829. The reversal of 165141562825 is 528265141561.

It can be written as a sum of positive squares in 6 ways, for example, as 35151750144 + 129989812681 = 187488^2 + 360541^2 .

It is not a de Polignac number, because 165141562825 - 2⁷ = 165141562697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165141562829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18243162 + ... + 18252211.

Almost surely, 2^165141562825 is an apocalyptic number.

It is an amenable number.

165141562825 is a deficient number, since it is larger than the sum of its proper divisors (40765337283).

165141562825 is a wasteful number, since it uses less digits than its factorization.

165141562825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36495564 (or 36495559 counting only the distinct ones).

The product of its digits is 576000, while the sum is 46.

The spelling of 165141562825 in words is "one hundred sixty-five billion, one hundred forty-one million, five hundred sixty-two thousand, eight hundred twenty-five".