165361652643 has 8 divisors (see below), whose sum is σ = 240526040256. Its totient is φ = 100219183400.

The previous prime is 165361652611. The next prime is 165361652669. The reversal of 165361652643 is 346256163561.

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

It is a cyclic number.

It is not a de Polignac number, because 165361652643 - 2⁵ = 165361652611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165361652592 and 165361652601.

It is not an unprimeable number, because it can be changed into a prime (165361652143) 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, 2505479553 + ... + 2505479618.

It is an arithmetic number, because the mean of its divisors is an integer number (30065755032).

Almost surely, 2^165361652643 is an apocalyptic number.

165361652643 is a deficient number, since it is larger than the sum of its proper divisors (75164387613).

165361652643 is a wasteful number, since it uses less digits than its factorization.

165361652643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010959185.

The product of its digits is 2332800, while the sum is 48.

The spelling of 165361652643 in words is "one hundred sixty-five billion, three hundred sixty-one million, six hundred fifty-two thousand, six hundred forty-three".