16542786039380 has 48 divisors (see below), whose sum is σ = 36785079945936. Its totient is φ = 6227583098880.

The previous prime is 16542786039331. The next prime is 16542786039517. The reversal of 16542786039380 is 8393068724561.

It can be written as a sum of positive squares in 8 ways, for example, as 41414692036 + 16501371347344 = 203506^2 + 4062188^2 .

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6271400 + ... + 8509760.

It is an arithmetic number, because the mean of its divisors is an integer number (766355832207).

It is a 1-persistent number, because it is pandigital, but 2⋅16542786039380 = 33085572078760 is not.

Almost surely, 2^{16542786039380} is an apocalyptic number.

16542786039380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16542786039380 is an abundant number, since it is smaller than the sum of its proper divisors (20242293906556).

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

16542786039380 is a wasteful number, since it uses less digits than its factorization.

16542786039380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260124 (or 2260122 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 62.

The spelling of 16542786039380 in words is "sixteen trillion, five hundred forty-two billion, seven hundred eighty-six million, thirty-nine thousand, three hundred eighty".