65164975 has 12 divisors (see below), whose sum is σ = 81010440. Its totient is φ = 51999200.

The previous prime is 65164973. The next prime is 65164991. The reversal of 65164975 is 57946156.

It is not a de Polignac number, because 65164975 - 2¹ = 65164973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65164973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7365 + ... + 13585.

It is an arithmetic number, because the mean of its divisors is an integer number (6750870).

Almost surely, 2^65164975 is an apocalyptic number.

65164975 is a deficient number, since it is larger than the sum of its proper divisors (15845465).

65164975 is a wasteful number, since it uses less digits than its factorization.

65164975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6650 (or 6645 counting only the distinct ones).

The product of its digits is 226800, while the sum is 43.

The square root of 65164975 is about 8072.4825797273. The cubic root of 65164975 is about 402.4124521855.

The spelling of 65164975 in words is "sixty-five million, one hundred sixty-four thousand, nine hundred seventy-five".