16005144256530 has 64 divisors (see below), whose sum is σ = 45127791370368. Its totient is φ = 3581570741760.

The previous prime is 16005144256529. The next prime is 16005144256561. The reversal of 16005144256530 is 3565244150061.

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, 1865397139 + ... + 1865405718.

It is an arithmetic number, because the mean of its divisors is an integer number (705121740162).

Almost surely, 2^{16005144256530} is an apocalyptic number.

16005144256530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16005144256530 is an abundant number, since it is smaller than the sum of its proper divisors (29122647113838).

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

16005144256530 is a wasteful number, since it uses less digits than its factorization.

16005144256530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3730802891.

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 16005144256530 in words is "sixteen trillion, five billion, one hundred forty-four million, two hundred fifty-six thousand, five hundred thirty".