165242387683 has 8 divisors (see below), whose sum is σ = 167587011936. Its totient is φ = 162898243200.

The previous prime is 165242387671. The next prime is 165242387719. The reversal of 165242387683 is 386783242561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165242387683 is a prime.

It is a super-3 number, since 3×165242387683³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165242387083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604603 + ... + 834283.

It is an arithmetic number, because the mean of its divisors is an integer number (20948376492).

Almost surely, 2^165242387683 is an apocalyptic number.

165242387683 is a deficient number, since it is larger than the sum of its proper divisors (2344624253).

165242387683 is a wasteful number, since it uses less digits than its factorization.

165242387683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239885.

The product of its digits is 11612160, while the sum is 55.

The spelling of 165242387683 in words is "one hundred sixty-five billion, two hundred forty-two million, three hundred eighty-seven thousand, six hundred eighty-three".