165260155 has 8 divisors (see below), whose sum is σ = 198694512. Its totient is φ = 131953248.

The previous prime is 165260149. The next prime is 165260159. The reversal of 165260155 is 551062561.

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 165260155 - 2²¹ = 163163003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165260159) 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, 28984 + ... + 34213.

It is an arithmetic number, because the mean of its divisors is an integer number (24836814).

Almost surely, 2^165260155 is an apocalyptic number.

165260155 is a deficient number, since it is larger than the sum of its proper divisors (33434357).

165260155 is an equidigital number, since it uses as much as digits as its factorization.

165260155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63725.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 165260155 is about 12855.3551098365. The cubic root of 165260155 is about 548.7687664706.

The spelling of 165260155 in words is "one hundred sixty-five million, two hundred sixty thousand, one hundred fifty-five".