16869503650 has 24 divisors (see below), whose sum is σ = 31462807680. Its totient is φ = 6729407760.

The previous prime is 16869503611. The next prime is 16869503737. The reversal of 16869503650 is 5630596861.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16869503594 and 16869503603.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 441310 + ... + 478009.

It is an arithmetic number, because the mean of its divisors is an integer number (1310950320).

Almost surely, 2^16869503650 is an apocalyptic number.

16869503650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16869503650 is a deficient number, since it is larger than the sum of its proper divisors (14593304030).

16869503650 is a wasteful number, since it uses less digits than its factorization.

16869503650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919698 (or 919693 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 16869503650 in words is "sixteen billion, eight hundred sixty-nine million, five hundred three thousand, six hundred fifty".