65987848162 has 8 divisors (see below), whose sum is σ = 99001950300. Its totient is φ = 32987198064.

The previous prime is 65987848123. The next prime is 65987848163. The reversal of 65987848162 is 26184878956.

It is a happy number.

It is a Cunningham number, because it is equal to 256881²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 65987848161 + 1 = 256881^2 + 1^2 .

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

It is a super-2 number, since 2×65987848162² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65987848094 and 65987848103.

It is not an unprimeable number, because it can be changed into a prime (65987848163) 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, 3350737 + ... + 3370372.

Almost surely, 2^65987848162 is an apocalyptic number.

65987848162 is a deficient number, since it is larger than the sum of its proper divisors (33014102138).

65987848162 is a wasteful number, since it uses less digits than its factorization.

65987848162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6726020.

The product of its digits is 46448640, while the sum is 64.

The spelling of 65987848162 in words is "sixty-five billion, nine hundred eighty-seven million, eight hundred forty-eight thousand, one hundred sixty-two".