165288113676 has 240 divisors, whose sum is σ = 520510636800. Its totient is φ = 44679745152.

The previous prime is 165288113659. The next prime is 165288113693. The reversal of 165288113676 is 676311882561.

It is a happy number.

165288113676 is a `hidden beast` number, since 1 + 6 + 528 + 8 + 11 + 36 + 76 = 666.

It is an interprime number because it is at equal distance from previous prime (165288113659) and next prime (165288113693).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 39082330 + ... + 39086558.

It is an arithmetic number, because the mean of its divisors is an integer number (2168794320).

Almost surely, 2^165288113676 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 165288113676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260255318400).

165288113676 is an abundant number, since it is smaller than the sum of its proper divisors (355222523124).

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

165288113676 is a wasteful number, since it uses less digits than its factorization.

165288113676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5178 (or 5167 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The spelling of 165288113676 in words is "one hundred sixty-five billion, two hundred eighty-eight million, one hundred thirteen thousand, six hundred seventy-six".