16731513650 has 24 divisors (see below), whose sum is σ = 31124718084. Its totient is φ = 6691723200.

The previous prime is 16731513647. The next prime is 16731513683. The reversal of 16731513650 is 5631513761.

It is a happy number.

16731513650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 5601474649 + 11130039001 = 74843^2 + 105499^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 469460 + ... + 503840.

Almost surely, 2^16731513650 is an apocalyptic number.

16731513650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16731513650 is a deficient number, since it is larger than the sum of its proper divisors (14393204434).

16731513650 is a wasteful number, since it uses less digits than its factorization.

16731513650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44126 (or 44121 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 38.

The spelling of 16731513650 in words is "sixteen billion, seven hundred thirty-one million, five hundred thirteen thousand, six hundred fifty".