165145623127 has 8 divisors (see below), whose sum is σ = 165738165264. Its totient is φ = 164553278208.

The previous prime is 165145623113. The next prime is 165145623199. The reversal of 165145623127 is 721326541561.

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-165145623127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165145620127) 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, 1745008 + ... + 1837210.

It is an arithmetic number, because the mean of its divisors is an integer number (20717270658).

Almost surely, 2^165145623127 is an apocalyptic number.

165145623127 is a deficient number, since it is larger than the sum of its proper divisors (592542137).

165145623127 is an equidigital number, since it uses as much as digits as its factorization.

165145623127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98609.

The product of its digits is 302400, while the sum is 43.

The spelling of 165145623127 in words is "one hundred sixty-five billion, one hundred forty-five million, six hundred twenty-three thousand, one hundred twenty-seven".