16158112720 has 40 divisors (see below), whose sum is σ = 39200990976. Its totient is φ = 6182233728.

The previous prime is 16158112717. The next prime is 16158112727. The reversal of 16158112720 is 2721185161.

16158112720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×16158112720² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16158112727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4388952 + ... + 4392631.

Almost surely, 2^16158112720 is an apocalyptic number.

16158112720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16158112720 is an abundant number, since it is smaller than the sum of its proper divisors (23042878256).

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

16158112720 is a wasteful number, since it uses less digits than its factorization.

16158112720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8781619 (or 8781613 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 34.

Adding to 16158112720 its reverse (2721185161), we get a palindrome (18879297881).

The spelling of 16158112720 in words is "sixteen billion, one hundred fifty-eight million, one hundred twelve thousand, seven hundred twenty".