16037785512 has 160 divisors (see below), whose sum is σ = 51480950400. Its totient is φ = 4569457536.

The previous prime is 16037785501. The next prime is 16037785549. The reversal of 16037785512 is 21558773061.

It is a happy number.

16037785512 is a `hidden beast` number, since 1 + 60 + 3 + 7 + 78 + 5 + 512 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1687189 + ... + 1696667.

It is an arithmetic number, because the mean of its divisors is an integer number (321755940).

Almost surely, 2^16037785512 is an apocalyptic number.

16037785512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16037785512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25740475200).

16037785512 is an abundant number, since it is smaller than the sum of its proper divisors (35443164888).

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

16037785512 is a wasteful number, since it uses less digits than its factorization.

16037785512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9877 (or 9864 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The spelling of 16037785512 in words is "sixteen billion, thirty-seven million, seven hundred eighty-five thousand, five hundred twelve".