161102165626325 has 48 divisors (see below), whose sum is σ = 249066690437760. Its totient is φ = 100424530944000.

The previous prime is 161102165626301. The next prime is 161102165626351. The reversal of 161102165626325 is 523626561201161.

It is a happy number.

It is not a de Polignac number, because 161102165626325 - 2⁶ = 161102165626261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 161102165626325.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 69172805 + ... + 71463845.

It is an arithmetic number, because the mean of its divisors is an integer number (5188889384120).

Almost surely, 2^{161102165626325} is an apocalyptic number.

It is an amenable number.

161102165626325 is a deficient number, since it is larger than the sum of its proper divisors (87964524811435).

161102165626325 is a wasteful number, since it uses less digits than its factorization.

161102165626325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2327598 (or 2327593 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 161102165626325 in words is "one hundred sixty-one trillion, one hundred two billion, one hundred sixty-five million, six hundred twenty-six thousand, three hundred twenty-five".