65163705 has 32 divisors (see below), whose sum is σ = 110161920. Its totient is φ = 32840640.

The previous prime is 65163701. The next prime is 65163713. The reversal of 65163705 is 50736156.

It is not a de Polignac number, because 65163705 - 2² = 65163701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65163701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18366 + ... + 21624.

It is an arithmetic number, because the mean of its divisors is an integer number (3442560).

Almost surely, 2^65163705 is an apocalyptic number.

It is an amenable number.

65163705 is a deficient number, since it is larger than the sum of its proper divisors (44998215).

65163705 is a wasteful number, since it uses less digits than its factorization.

65163705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3341.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 65163705 is about 8072.4039170497. The cubic root of 65163705 is about 402.4098379635.

The spelling of 65163705 in words is "sixty-five million, one hundred sixty-three thousand, seven hundred five".