165130361646 has 16 divisors (see below), whose sum is σ = 330435579600. Its totient is φ = 55014311168.

The previous prime is 165130361593. The next prime is 165130361647. The reversal of 165130361646 is 646163031561.

165130361646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 165130361598 and 165130361607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165130361647) 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 7 ways as a sum of consecutive naturals, for example, 7273401 + ... + 7296068.

It is an arithmetic number, because the mean of its divisors is an integer number (20652223725).

Almost surely, 2^165130361646 is an apocalyptic number.

165130361646 is an abundant number, since it is smaller than the sum of its proper divisors (165305217954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165130361646 is a wasteful number, since it uses less digits than its factorization.

165130361646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14571363.

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 165130361646 in words is "one hundred sixty-five billion, one hundred thirty million, three hundred sixty-one thousand, six hundred forty-six".