165156101105 has 8 divisors (see below), whose sum is σ = 198549641472. Its totient is φ = 131883334128.

The previous prime is 165156101083. The next prime is 165156101111. The reversal of 165156101105 is 501101651561.

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 165156101105 - 2⁸ = 165156100849 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30190337 + ... + 30195806.

It is an arithmetic number, because the mean of its divisors is an integer number (24818705184).

Almost surely, 2^165156101105 is an apocalyptic number.

It is an amenable number.

165156101105 is a deficient number, since it is larger than the sum of its proper divisors (33393540367).

165156101105 is an equidigital number, since it uses as much as digits as its factorization.

165156101105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60386695.

The product of its (nonzero) digits is 4500, while the sum is 32.

Adding to 165156101105 its reverse (501101651561), we get a palindrome (666257752666).

The spelling of 165156101105 in words is "one hundred sixty-five billion, one hundred fifty-six million, one hundred one thousand, one hundred five".