16065738464 has 72 divisors (see below), whose sum is σ = 33371581320. Its totient is φ = 7612247808.

The previous prime is 16065738461. The next prime is 16065738467. The reversal of 16065738464 is 46483756061.

It is an interprime number because it is at equal distance from previous prime (16065738461) and next prime (16065738467).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16065738461) 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, 1840799 + ... + 1849505.

It is an arithmetic number, because the mean of its divisors is an integer number (463494185).

Almost surely, 2^16065738464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16065738464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16685790660).

16065738464 is an abundant number, since it is smaller than the sum of its proper divisors (17305842856).

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

16065738464 is a wasteful number, since it uses less digits than its factorization.

16065738464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8872 (or 8841 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 16065738464 in words is "sixteen billion, sixty-five million, seven hundred thirty-eight thousand, four hundred sixty-four".