65162653361 has 4 divisors (see below), whose sum is σ = 70175165172. Its totient is φ = 60150141552.

The previous prime is 65162653357. The next prime is 65162653379. The reversal of 65162653361 is 16335626156.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39744409600 + 25418243761 = 199360^2 + 159431^2 .

It is a cyclic number.

It is not a de Polignac number, because 65162653361 - 2² = 65162653357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65162653561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2506255886 + ... + 2506255911.

It is an arithmetic number, because the mean of its divisors is an integer number (17543791293).

Almost surely, 2^65162653361 is an apocalyptic number.

It is an amenable number.

65162653361 is a deficient number, since it is larger than the sum of its proper divisors (5012511811).

65162653361 is a wasteful number, since it uses less digits than its factorization.

65162653361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5012511810.

The product of its digits is 583200, while the sum is 44.

The spelling of 65162653361 in words is "sixty-five billion, one hundred sixty-two million, six hundred fifty-three thousand, three hundred sixty-one".