165376340 has 48 divisors (see below), whose sum is σ = 368831232. Its totient is φ = 62071296.

The previous prime is 165376331. The next prime is 165376397. The reversal of 165376340 is 43673561.

It is a self number, because there is not a number n which added to its sum of digits gives 165376340.

It is a congruent number.

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, 170537 + ... + 171503.

It is an arithmetic number, because the mean of its divisors is an integer number (7683984).

Almost surely, 2^165376340 is an apocalyptic number.

165376340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165376340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184415616).

165376340 is an abundant number, since it is smaller than the sum of its proper divisors (203454892).

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

165376340 is a wasteful number, since it uses less digits than its factorization.

165376340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496 (or 1494 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 165376340 is about 12859.8732497642. The cubic root of 165376340 is about 548.8973390299.

The spelling of 165376340 in words is "one hundred sixty-five million, three hundred seventy-six thousand, three hundred forty".