65461655 has 16 divisors (see below), whose sum is σ = 91009344. Its totient is φ = 44271360.

The previous prime is 65461651. The next prime is 65461661. The reversal of 65461655 is 55616456.

It is not a de Polignac number, because 65461655 - 2² = 65461651 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65461651) 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, 10256 + ... + 15365.

It is an arithmetic number, because the mean of its divisors is an integer number (5688084).

Almost surely, 2^65461655 is an apocalyptic number.

65461655 is a deficient number, since it is larger than the sum of its proper divisors (25547689).

65461655 is a wasteful number, since it uses less digits than its factorization.

65461655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25706.

The product of its digits is 108000, while the sum is 38.

The square root of 65461655 is about 8090.8377192971. The cubic root of 65461655 is about 403.0222225019.

The spelling of 65461655 in words is "sixty-five million, four hundred sixty-one thousand, six hundred fifty-five".