16111369680 has 160 divisors (see below), whose sum is σ = 57154699008. Its totient is φ = 3677798400.

The previous prime is 16111369669. The next prime is 16111369691. The reversal of 16111369680 is 8696311161.

It is an interprime number because it is at equal distance from previous prime (16111369669) and next prime (16111369691).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 1373440 + ... + 1385120.

Almost surely, 2^16111369680 is an apocalyptic number.

16111369680 is a gapful number since it is divisible by the number (10) 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 16111369680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28577349504).

16111369680 is an abundant number, since it is smaller than the sum of its proper divisors (41043329328).

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

16111369680 is a wasteful number, since it uses less digits than its factorization.

16111369680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12525 (or 12519 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 42.

The spelling of 16111369680 in words is "sixteen billion, one hundred eleven million, three hundred sixty-nine thousand, six hundred eighty".