165017349155 has 8 divisors (see below), whose sum is σ = 198023130000. Its totient is φ = 132012338656.

The previous prime is 165017349149. The next prime is 165017349173. The reversal of 165017349155 is 551943710561.

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 165017349155 - 2¹⁴ = 165017332771 is a prime.

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, 515096 + ... + 771594.

It is an arithmetic number, because the mean of its divisors is an integer number (24752891250).

Almost surely, 2^165017349155 is an apocalyptic number.

165017349155 is a deficient number, since it is larger than the sum of its proper divisors (33005780845).

165017349155 is a wasteful number, since it uses less digits than its factorization.

165017349155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385173.

The product of its (nonzero) digits is 567000, while the sum is 47.

The spelling of 165017349155 in words is "one hundred sixty-five billion, seventeen million, three hundred forty-nine thousand, one hundred fifty-five".