66065367 has 16 divisors (see below), whose sum is σ = 89268480. Its totient is φ = 43457472.

The previous prime is 66065359. The next prime is 66065381. The reversal of 66065367 is 76356066.

It is not a de Polignac number, because 66065367 - 2³ = 66065359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66065327) 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, 81259 + ... + 82067.

It is an arithmetic number, because the mean of its divisors is an integer number (5579280).

Almost surely, 2^66065367 is an apocalyptic number.

66065367 is a deficient number, since it is larger than the sum of its proper divisors (23203113).

66065367 is a wasteful number, since it uses less digits than its factorization.

66065367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142.

The product of its (nonzero) digits is 136080, while the sum is 39.

The square root of 66065367 is about 8128.0604697554. The cubic root of 66065367 is about 404.2573740695.

The spelling of 66065367 in words is "sixty-six million, sixty-five thousand, three hundred sixty-seven".