16065731016 has 24 divisors (see below), whose sum is σ = 43511355030. Its totient is φ = 5355243648.

The previous prime is 16065731009. The next prime is 16065731023. The reversal of 16065731016 is 61013756061.

16065731016 is a `hidden beast` number, since 1 + 60 + 6 + 573 + 10 + 16 = 666.

It is an interprime number because it is at equal distance from previous prime (16065731009) and next prime (16065731023).

It can be written as a sum of positive squares in only one way, i.e., 15868440900 + 197290116 = 125970^2 + 14046^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111567505 + ... + 111567648.

Almost surely, 2^16065731016 is an apocalyptic number.

It is an amenable number.

16065731016 is an abundant number, since it is smaller than the sum of its proper divisors (27445624014).

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

16065731016 is a wasteful number, since it uses less digits than its factorization.

16065731016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223135165 (or 223135158 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The spelling of 16065731016 in words is "sixteen billion, sixty-five million, seven hundred thirty-one thousand, sixteen".