65166527 has 4 divisors (see below), whose sum is σ = 65182920. Its totient is φ = 65150136.

The previous prime is 65166511. The next prime is 65166553. The reversal of 65166527 is 72566156.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 65166527 - 2⁴ = 65166511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65168527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1973 + ... + 11585.

It is an arithmetic number, because the mean of its divisors is an integer number (16295730).

Almost surely, 2^65166527 is an apocalyptic number.

65166527 is a deficient number, since it is larger than the sum of its proper divisors (16393).

65166527 is an equidigital number, since it uses as much as digits as its factorization.

65166527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16392.

The product of its digits is 75600, while the sum is 38.

The square root of 65166527 is about 8072.5787081948. The cubic root of 65166527 is about 402.4156468422.

The spelling of 65166527 in words is "sixty-five million, one hundred sixty-six thousand, five hundred twenty-seven".