16415849850 has 48 divisors (see below), whose sum is σ = 41658098592. Its totient is φ = 4275754560.

The previous prime is 16415849797. The next prime is 16415849851. The reversal of 16415849850 is 5894851461.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16415849793 and 16415849802.

It is not an unprimeable number, because it can be changed into a prime (16415849851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1266097 + ... + 1278996.

It is an arithmetic number, because the mean of its divisors is an integer number (867877054).

Almost surely, 2^16415849850 is an apocalyptic number.

16415849850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16415849850 is an abundant number, since it is smaller than the sum of its proper divisors (25242248742).

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

16415849850 is a wasteful number, since it uses less digits than its factorization.

16415849850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2545151 (or 2545146 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 51.

The spelling of 16415849850 in words is "sixteen billion, four hundred fifteen million, eight hundred forty-nine thousand, eight hundred fifty".