164077065 has 24 divisors (see below), whose sum is σ = 299370240. Its totient is φ = 82901664.

The previous prime is 164077061. The next prime is 164077087. The reversal of 164077065 is 560770461.

164077065 is a `hidden beast` number, since 1 + 640 + 7 + 7 + 0 + 6 + 5 = 666.

164077065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164077065 - 2² = 164077061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164077061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95097 + ... + 96806.

It is an arithmetic number, because the mean of its divisors is an integer number (12473760).

Almost surely, 2^164077065 is an apocalyptic number.

164077065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164077065 is a deficient number, since it is larger than the sum of its proper divisors (135293175).

164077065 is a wasteful number, since it uses less digits than its factorization.

164077065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191933 (or 191930 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 164077065 is about 12809.2570042138. The cubic root of 164077065 is about 547.4560920565.

The spelling of 164077065 in words is "one hundred sixty-four million, seventy-seven thousand, sixty-five".