16631012050 has 24 divisors (see below), whose sum is σ = 30937144896. Its totient is φ = 6651660240.

The previous prime is 16631012039. The next prime is 16631012051. The reversal of 16631012050 is 5021013661.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (16631012051) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 733179 + ... + 755521.

It is an arithmetic number, because the mean of its divisors is an integer number (1289047704).

Almost surely, 2^16631012050 is an apocalyptic number.

16631012050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16631012050 is a deficient number, since it is larger than the sum of its proper divisors (14306132846).

16631012050 is a wasteful number, since it uses less digits than its factorization.

16631012050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37242 (or 37237 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The spelling of 16631012050 in words is "sixteen billion, six hundred thirty-one million, twelve thousand, fifty".