16031021472 has 96 divisors (see below), whose sum is σ = 47027856960. Its totient is φ = 5312736000.

The previous prime is 16031021431. The next prime is 16031021483. The reversal of 16031021472 is 27412013061.

16031021472 is a `hidden beast` number, since 1 + 603 + 10 + 2 + 1 + 47 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 95847 + ... + 203097.

It is an arithmetic number, because the mean of its divisors is an integer number (489873510).

Almost surely, 2^16031021472 is an apocalyptic number.

16031021472 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 16031021472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23513928480).

16031021472 is an abundant number, since it is smaller than the sum of its proper divisors (30996835488).

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

16031021472 is a wasteful number, since it uses less digits than its factorization.

16031021472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107443 (or 107429 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The spelling of 16031021472 in words is "sixteen billion, thirty-one million, twenty-one thousand, four hundred seventy-two".