16761508384 has 12 divisors (see below), whose sum is σ = 32999219694. Its totient is φ = 8380754176.

The previous prime is 16761508367. The next prime is 16761508471. The reversal of 16761508384 is 48380516761.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10237392400 + 6524115984 = 101180^2 + 80772^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261898537 + ... + 261898600.

Almost surely, 2^16761508384 is an apocalyptic number.

It is an amenable number.

16761508384 is a deficient number, since it is larger than the sum of its proper divisors (16237711310).

16761508384 is an equidigital number, since it uses as much as digits as its factorization.

16761508384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523797147 (or 523797139 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 16761508384 in words is "sixteen billion, seven hundred sixty-one million, five hundred eight thousand, three hundred eighty-four".