164364265 has 16 divisors (see below), whose sum is σ = 216014400. Its totient is φ = 119316672.

The previous prime is 164364251. The next prime is 164364271. The reversal of 164364265 is 562463461.

It is a cyclic number.

It is not a de Polignac number, because 164364265 - 2¹⁷ = 164233193 is a prime.

It is a super-2 number, since 2×164364265² = 54031223217980450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17595 + ... + 25264.

It is an arithmetic number, because the mean of its divisors is an integer number (13500900).

Almost surely, 2^164364265 is an apocalyptic number.

It is an amenable number.

164364265 is a deficient number, since it is larger than the sum of its proper divisors (51650135).

164364265 is a wasteful number, since it uses less digits than its factorization.

164364265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42936.

The product of its digits is 103680, while the sum is 37.

The square root of 164364265 is about 12820.4627451586. The cubic root of 164364265 is about 547.7753276969.

The spelling of 164364265 in words is "one hundred sixty-four million, three hundred sixty-four thousand, two hundred sixty-five".