16452051520 has 28 divisors (see below), whose sum is σ = 39176448444. Its totient is φ = 6580820480.

The previous prime is 16452051491. The next prime is 16452051533. The reversal of 16452051520 is 2515025461.

It can be written as a sum of positive squares in 2 ways, for example, as 8583651904 + 7868399616 = 92648^2 + 88704^2 .

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, 25706011 + ... + 25706650.

It is an arithmetic number, because the mean of its divisors is an integer number (1399158873).

Almost surely, 2^16452051520 is an apocalyptic number.

16452051520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16452051520 is an abundant number, since it is smaller than the sum of its proper divisors (22724396924).

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

16452051520 is an equidigital number, since it uses as much as digits as its factorization.

16452051520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51412678 (or 51412668 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 16452051520 its reverse (2515025461), we get a palindrome (18967076981).

The spelling of 16452051520 in words is "sixteen billion, four hundred fifty-two million, fifty-one thousand, five hundred twenty".