165180412851 has 8 divisors (see below), whose sum is σ = 220766185920. Its totient is φ = 109857457512.

The previous prime is 165180412847. The next prime is 165180412877. The reversal of 165180412851 is 158214081561.

165180412851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 165180412851 - 2² = 165180412847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165180412801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65702965 + ... + 65705478.

It is an arithmetic number, because the mean of its divisors is an integer number (27595773240).

Almost surely, 2^165180412851 is an apocalyptic number.

165180412851 is a deficient number, since it is larger than the sum of its proper divisors (55585773069).

165180412851 is a wasteful number, since it uses less digits than its factorization.

165180412851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131408865.

The product of its (nonzero) digits is 76800, while the sum is 42.

The spelling of 165180412851 in words is "one hundred sixty-five billion, one hundred eighty million, four hundred twelve thousand, eight hundred fifty-one".