16065505001 has 32 divisors (see below), whose sum is σ = 20250854400. Its totient is φ = 12664306368.

The previous prime is 16065504997. The next prime is 16065505097. The reversal of 16065505001 is 10050556061.

It is not a de Polignac number, because 16065505001 - 2² = 16065504997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16065505201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1228640 + ... + 1241646.

It is an arithmetic number, because the mean of its divisors is an integer number (632839200).

Almost surely, 2^16065505001 is an apocalyptic number.

It is an amenable number.

16065505001 is a deficient number, since it is larger than the sum of its proper divisors (4185349399).

16065505001 is a wasteful number, since it uses less digits than its factorization.

16065505001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13318 (or 13304 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 16065505001 in words is "sixteen billion, sixty-five million, five hundred five thousand, one".