16585236501072 has 80 divisors (see below), whose sum is σ = 43651926663360. Its totient is φ = 5424664089600.

The previous prime is 16585236501017. The next prime is 16585236501079. The reversal of 16585236501072 is 27010563258561.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16585236501079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3880429 + ... + 6944652.

It is an arithmetic number, because the mean of its divisors is an integer number (545649083292).

Almost surely, 2^{16585236501072} is an apocalyptic number.

16585236501072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16585236501072 is an abundant number, since it is smaller than the sum of its proper divisors (27066690162288).

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

16585236501072 is a wasteful number, since it uses less digits than its factorization.

16585236501072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10825692 (or 10825686 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 51.

The spelling of 16585236501072 in words is "sixteen trillion, five hundred eighty-five billion, two hundred thirty-six million, five hundred one thousand, seventy-two".