65166363 has 10 divisors (see below), whose sum is σ = 97347404. Its totient is φ = 43444188.

The previous prime is 65166347. The next prime is 65166373. The reversal of 65166363 is 36366156.

It is a happy number.

65166363 is a `hidden beast` number, since 6 + 5 + 16 + 636 + 3 = 666.

It is not a de Polignac number, because 65166363 - 2⁴ = 65166347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65166313) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 402181 + ... + 402342.

Almost surely, 2^65166363 is an apocalyptic number.

65166363 is a deficient number, since it is larger than the sum of its proper divisors (32181041).

65166363 is an equidigital number, since it uses as much as digits as its factorization.

65166363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804535 (or 804526 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 65166363 is about 8072.5685503438. The cubic root of 65166363 is about 402.4153092649.

The spelling of 65166363 in words is "sixty-five million, one hundred sixty-six thousand, three hundred sixty-three".