16081481145 has 16 divisors (see below), whose sum is σ = 25766173440. Its totient is φ = 8564855424.

The previous prime is 16081481123. The next prime is 16081481149. The reversal of 16081481145 is 54118418061.

It is not a de Polignac number, because 16081481145 - 2¹¹ = 16081479097 is a prime.

It is a super-2 number, since 2×16081481145² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16081481149) 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 15 ways as a sum of consecutive naturals, for example, 734764 + ... + 756333.

It is an arithmetic number, because the mean of its divisors is an integer number (1610385840).

Almost surely, 2^16081481145 is an apocalyptic number.

16081481145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16081481145 is a deficient number, since it is larger than the sum of its proper divisors (9684692295).

16081481145 is a wasteful number, since it uses less digits than its factorization.

16081481145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491824.

The product of its (nonzero) digits is 30720, while the sum is 39.

The spelling of 16081481145 in words is "sixteen billion, eighty-one million, four hundred eighty-one thousand, one hundred forty-five".