165364293248 has 128 divisors (see below), whose sum is σ = 411498714240. Its totient is φ = 64306483200.

The previous prime is 165364293181. The next prime is 165364293253. The reversal of 165364293248 is 842392463561.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 165364293248.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5316590 + ... + 5347602.

It is an arithmetic number, because the mean of its divisors is an integer number (3214833705).

Almost surely, 2^165364293248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165364293248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205749357120).

165364293248 is an abundant number, since it is smaller than the sum of its proper divisors (246134420992).

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

165364293248 is a wasteful number, since it uses less digits than its factorization.

165364293248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31586 (or 31574 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 53.

The spelling of 165364293248 in words is "one hundred sixty-five billion, three hundred sixty-four million, two hundred ninety-three thousand, two hundred forty-eight".