65443687148 has 36 divisors (see below), whose sum is σ = 133541265312. Its totient is φ = 27980638560.

The previous prime is 65443687147. The next prime is 65443687181. The reversal of 65443687148 is 84178634456.

It is a junction number, because it is equal to n+sod(n) for n = 65443687093 and 65443687102.

It is not an unprimeable number, because it can be changed into a prime (65443687147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 314036 + ... + 479067.

It is an arithmetic number, because the mean of its divisors is an integer number (3709479592).

Almost surely, 2^65443687148 is an apocalyptic number.

It is an amenable number.

65443687148 is an abundant number, since it is smaller than the sum of its proper divisors (68097578164).

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

65443687148 is a wasteful number, since it uses less digits than its factorization.

65443687148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793542 (or 793533 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 56.

The spelling of 65443687148 in words is "sixty-five billion, four hundred forty-three million, six hundred eighty-seven thousand, one hundred forty-eight".