165256035 has 64 divisors (see below), whose sum is σ = 323205120. Its totient is φ = 70456320.

The previous prime is 165256033. The next prime is 165256051. The reversal of 165256035 is 530652561.

It is not a de Polignac number, because 165256035 - 2¹ = 165256033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165255987 and 165256005.

It is not an unprimeable number, because it can be changed into a prime (165256033) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 98181 + ... + 99849.

It is an arithmetic number, because the mean of its divisors is an integer number (5050080).

Almost surely, 2^165256035 is an apocalyptic number.

165256035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

165256035 is a deficient number, since it is larger than the sum of its proper divisors (157949085).

165256035 is a wasteful number, since it uses less digits than its factorization.

165256035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1748.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 165256035 is about 12855.1948643340. The cubic root of 165256035 is about 548.7642060930.

The spelling of 165256035 in words is "one hundred sixty-five million, two hundred fifty-six thousand, thirty-five".