164648265 has 16 divisors (see below), whose sum is σ = 263704896. Its totient is φ = 87723200.

The previous prime is 164648249. The next prime is 164648269. The reversal of 164648265 is 562846461.

It is not a de Polignac number, because 164648265 - 2⁴ = 164648249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164648269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11335 + ... + 21395.

It is an arithmetic number, because the mean of its divisors is an integer number (16481556).

Almost surely, 2^164648265 is an apocalyptic number.

164648265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164648265 is a deficient number, since it is larger than the sum of its proper divisors (99056631).

164648265 is a wasteful number, since it uses less digits than its factorization.

164648265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11160.

The product of its digits is 276480, while the sum is 42.

The square root of 164648265 is about 12831.5340080600. The cubic root of 164648265 is about 548.0906409200.

The spelling of 164648265 in words is "one hundred sixty-four million, six hundred forty-eight thousand, two hundred sixty-five".