16345563328232 has 8 divisors (see below), whose sum is σ = 30647931240450. Its totient is φ = 8172781664112.

The previous prime is 16345563328229. The next prime is 16345563328249. The reversal of 16345563328232 is 23282336554361.

It can be written as a sum of positive squares in only one way, i.e., 13977922554436 + 2367640773796 = 3738706^2 + 1538714^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021597708007 + ... + 1021597708022.

Almost surely, 2^{16345563328232} is an apocalyptic number.

It is an amenable number.

16345563328232 is a deficient number, since it is larger than the sum of its proper divisors (14302367912218).

16345563328232 is a wasteful number, since it uses less digits than its factorization.

16345563328232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043195416035 (or 2043195416031 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 53.

The spelling of 16345563328232 in words is "sixteen trillion, three hundred forty-five billion, five hundred sixty-three million, three hundred twenty-eight thousand, two hundred thirty-two".