16140289850 has 48 divisors (see below), whose sum is σ = 31137946776. Its totient is φ = 6219360000.

The previous prime is 16140289849. The next prime is 16140289861. The reversal of 16140289850 is 5898204161.

It can be written as a sum of positive squares in 12 ways, for example, as 7094187529 + 9046102321 = 84227^2 + 95111^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143660 + ... + 230040.

Almost surely, 2^16140289850 is an apocalyptic number.

16140289850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16140289850 is a deficient number, since it is larger than the sum of its proper divisors (14997656926).

16140289850 is a wasteful number, since it uses less digits than its factorization.

16140289850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86531 (or 86526 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 44.

The spelling of 16140289850 in words is "sixteen billion, one hundred forty million, two hundred eighty-nine thousand, eight hundred fifty".