65506651162 has 4 divisors (see below), whose sum is σ = 98259976746. Its totient is φ = 32753325580.

The previous prime is 65506651153. The next prime is 65506651169. The reversal of 65506651162 is 26115660556.

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

It can be written as a sum of positive squares in only one way, i.e., 40184612521 + 25322038641 = 200461^2 + 159129^2 .

It is a super-2 number, since 2×65506651162² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65506651169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16376662789 + ... + 16376662792.

Almost surely, 2^65506651162 is an apocalyptic number.

65506651162 is a deficient number, since it is larger than the sum of its proper divisors (32753325584).

65506651162 is a wasteful number, since it uses less digits than its factorization.

65506651162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32753325583.

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 65506651162 in words is "sixty-five billion, five hundred six million, six hundred fifty-one thousand, one hundred sixty-two".