16186222031440 has 80 divisors (see below), whose sum is σ = 37659326523840. Its totient is φ = 6469955481600.

The previous prime is 16186222031431. The next prime is 16186222031467. The reversal of 16186222031440 is 4413022268161.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 16186222031393 and 16186222031402.

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 15 ways as a sum of consecutive naturals, for example, 749316640 + ... + 749338240.

It is an arithmetic number, because the mean of its divisors is an integer number (470741581548).

Almost surely, 2^{16186222031440} is an apocalyptic number.

16186222031440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16186222031440 is an abundant number, since it is smaller than the sum of its proper divisors (21473104492400).

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

16186222031440 is a wasteful number, since it uses less digits than its factorization.

16186222031440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27740 (or 27734 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 16186222031440 in words is "sixteen trillion, one hundred eighty-six billion, two hundred twenty-two million, thirty-one thousand, four hundred forty".