165190355 has 8 divisors (see below), whose sum is σ = 216249264. Its totient is φ = 120138400.

The previous prime is 165190327. The next prime is 165190357. The reversal of 165190355 is 553091561.

It is a happy number.

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

It is not a de Polignac number, because 165190355 - 2¹⁶ = 165124819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165190357) 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, 1501676 + ... + 1501785.

It is an arithmetic number, because the mean of its divisors is an integer number (27031158).

Almost surely, 2^165190355 is an apocalyptic number.

165190355 is a deficient number, since it is larger than the sum of its proper divisors (51058909).

165190355 is a wasteful number, since it uses less digits than its factorization.

165190355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003477.

The product of its (nonzero) digits is 20250, while the sum is 35.

The square root of 165190355 is about 12852.6400011826. The cubic root of 165190355 is about 548.6914954673.

The spelling of 165190355 in words is "one hundred sixty-five million, one hundred ninety thousand, three hundred fifty-five".