16485140418 has 32 divisors (see below), whose sum is σ = 33099701760. Its totient is φ = 5473520640.

The previous prime is 16485140407. The next prime is 16485140423. The reversal of 16485140418 is 81404158461.

It is a self number, because there is not a number n which added to its sum of digits gives 16485140418.

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 15 ways as a sum of consecutive naturals, for example, 1653328 + ... + 1663268.

It is an arithmetic number, because the mean of its divisors is an integer number (1034365680).

Almost surely, 2^16485140418 is an apocalyptic number.

16485140418 is an abundant number, since it is smaller than the sum of its proper divisors (16614561342).

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

16485140418 is a wasteful number, since it uses less digits than its factorization.

16485140418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11002.

The product of its (nonzero) digits is 122880, while the sum is 42.

Adding to 16485140418 its reverse (81404158461), we get a palindrome (97889298879).

The spelling of 16485140418 in words is "sixteen billion, four hundred eighty-five million, one hundred forty thousand, four hundred eighteen".