65532623556 has 48 divisors (see below), whose sum is σ = 159193483904. Its totient is φ = 20962665216.

The previous prime is 65532623551. The next prime is 65532623573.

65532623556 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (65532623551) 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, 978520 + ... + 1043343.

Almost surely, 2^65532623556 is an apocalyptic number.

It is an amenable number.

65532623556 is an abundant number, since it is smaller than the sum of its proper divisors (93660860348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65532623556 is a wasteful number, since it uses less digits than its factorization.

65532623556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021980 (or 2021978 counting only the distinct ones).

The product of its digits is 4860000, while the sum is 48.

The spelling of 65532623556 in words is "sixty-five billion, five hundred thirty-two million, six hundred twenty-three thousand, five hundred fifty-six".