165078153 has 18 divisors (see below), whose sum is σ = 249271386. Its totient is φ = 105264192.

The previous prime is 165078149. The next prime is 165078169. The reversal of 165078153 is 351870561.

165078153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 104284944 + 60793209 = 10212^2 + 7797^2 .

It is not a de Polignac number, because 165078153 - 2² = 165078149 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165078103) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12576 + ... + 22097.

Almost surely, 2^165078153 is an apocalyptic number.

It is an amenable number.

165078153 is a deficient number, since it is larger than the sum of its proper divisors (84193233).

165078153 is a wasteful number, since it uses less digits than its factorization.

165078153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34725 (or 34699 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 165078153 is about 12848.2743199233. The cubic root of 165078153 is about 548.5672383597.

The spelling of 165078153 in words is "one hundred sixty-five million, seventy-eight thousand, one hundred fifty-three".