165341450884 has 9 divisors (see below), whose sum is σ = 289348962231. Its totient is φ = 82670318820.

The previous prime is 165341450861. The next prime is 165341450957. The reversal of 165341450884 is 488054143561.

The square root of 165341450884 is 406622.

It is a perfect power (a square), and thus also a powerful number.

165341450884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Duffinian number.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 711589 + ... + 914899.

Almost surely, 2^165341450884 is an apocalyptic number.

165341450884 is the 406622-nd square number.

It is an amenable number.

165341450884 is a deficient number, since it is larger than the sum of its proper divisors (124007511347).

165341450884 is an frugal number, since it uses more digits than its factorization.

165341450884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406626 (or 203313 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 49.

Multiplying 165341450884 by its sum of digits (49), we get a square (8101731093316 = 2846354²).

It can be divided in two parts, 165341 and 450884, that added together give a square (616225 = 785²).

The spelling of 165341450884 in words is "one hundred sixty-five billion, three hundred forty-one million, four hundred fifty thousand, eight hundred eighty-four".