16072544045 has 4 divisors (see below), whose sum is σ = 19287052860. Its totient is φ = 12858035232.

The previous prime is 16072544009. The next prime is 16072544057. The reversal of 16072544045 is 54044527061.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10309153156 + 5763390889 = 101534^2 + 75917^2 .

It is a cyclic number.

It is not a de Polignac number, because 16072544045 - 2¹² = 16072539949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1607254400 + ... + 1607254409.

It is an arithmetic number, because the mean of its divisors is an integer number (4821763215).

Almost surely, 2^16072544045 is an apocalyptic number.

It is an amenable number.

16072544045 is a deficient number, since it is larger than the sum of its proper divisors (3214508815).

16072544045 is an equidigital number, since it uses as much as digits as its factorization.

16072544045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3214508814.

The product of its (nonzero) digits is 134400, while the sum is 38.

The spelling of 16072544045 in words is "sixteen billion, seventy-two million, five hundred forty-four thousand, forty-five".