65254160561 has 8 divisors (see below), whose sum is σ = 69096983904. Its totient is φ = 61411819840.

The previous prime is 65254160509. The next prime is 65254160563. The reversal of 65254160561 is 16506145256.

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

It is a cyclic number.

It is not a de Polignac number, because 65254160561 - 2¹⁴ = 65254144177 is a prime.

It is a super-3 number, since 3×65254160561³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65254160563) 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, 179006 + ... + 403176.

It is an arithmetic number, because the mean of its divisors is an integer number (8637122988).

Almost surely, 2^65254160561 is an apocalyptic number.

It is an amenable number.

65254160561 is a deficient number, since it is larger than the sum of its proper divisors (3842823343).

65254160561 is a wasteful number, since it uses less digits than its factorization.

65254160561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241311.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 65254160561 in words is "sixty-five billion, two hundred fifty-four million, one hundred sixty thousand, five hundred sixty-one".