16015130450 has 54 divisors (see below), whose sum is σ = 32762475333. Its totient is φ = 5820104400.

The previous prime is 16015130413. The next prime is 16015130473. The reversal of 16015130450 is 5403151061.

It can be written as a sum of positive squares in 2 ways, for example, as 15694827841 + 320302609 = 125279^2 + 17897^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=89485.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 9842537 + ... + 9844163.

Almost surely, 2^16015130450 is an apocalyptic number.

16015130450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16015130450 is an abundant number, since it is smaller than the sum of its proper divisors (16747344883).

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

16015130450 is an equidigital number, since it uses as much as digits as its factorization.

16015130450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3288 (or 1645 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

Multiplying 16015130450 by its product of nonzero digits (1800), we get a square (28827234810000 = 5369100²).

The spelling of 16015130450 in words is "sixteen billion, fifteen million, one hundred thirty thousand, four hundred fifty".