65412663 has 8 divisors (see below), whose sum is σ = 87263088. Its totient is φ = 43585344.

The previous prime is 65412647. The next prime is 65412689. The reversal of 65412663 is 36621456.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65412663 - 2⁴ = 65412647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65412643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2545 + ... + 11717.

It is an arithmetic number, because the mean of its divisors is an integer number (10907886).

Almost surely, 2^65412663 is an apocalyptic number.

65412663 is a deficient number, since it is larger than the sum of its proper divisors (21850425).

65412663 is a wasteful number, since it uses less digits than its factorization.

65412663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11553.

The product of its digits is 25920, while the sum is 33.

The square root of 65412663 is about 8087.8095303982. The cubic root of 65412663 is about 402.9216557782.

The spelling of 65412663 in words is "sixty-five million, four hundred twelve thousand, six hundred sixty-three".