16391805450762 has 16 divisors (see below), whose sum is σ = 37466983887552. Its totient is φ = 4683372985920.

The previous prime is 16391805450739. The next prime is 16391805450763. The reversal of 16391805450762 is 26705450819361.

It is not an unprimeable number, because it can be changed into a prime (16391805450763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195140541039 + ... + 195140541122.

It is an arithmetic number, because the mean of its divisors is an integer number (2341686492972).

It is a 2-persistent number, because it is pandigital, and so is 2⋅16391805450762 = 32783610901524, but 3⋅16391805450762 = 49175416352286 is not.

Almost surely, 2^{16391805450762} is an apocalyptic number.

16391805450762 is an abundant number, since it is smaller than the sum of its proper divisors (21075178436790).

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

16391805450762 is a wasteful number, since it uses less digits than its factorization.

16391805450762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390281082173.

The product of its (nonzero) digits is 10886400, while the sum is 57.

The spelling of 16391805450762 in words is "sixteen trillion, three hundred ninety-one billion, eight hundred five million, four hundred fifty thousand, seven hundred sixty-two".