16738521814 has 48 divisors (see below), whose sum is σ = 31125523968. Its totient is φ = 6715717008.

The previous prime is 16738521809. The next prime is 16738521847. The reversal of 16738521814 is 41812583761.

It is a super-2 number, since 2×16738521814² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 26937 + ... + 184939.

It is an arithmetic number, because the mean of its divisors is an integer number (648448416).

Almost surely, 2^16738521814 is an apocalyptic number.

16738521814 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16738521814 is a deficient number, since it is larger than the sum of its proper divisors (14387002154).

16738521814 is a wasteful number, since it uses less digits than its factorization.

16738521814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158089 (or 158082 counting only the distinct ones).

The product of its digits is 322560, while the sum is 46.

The spelling of 16738521814 in words is "sixteen billion, seven hundred thirty-eight million, five hundred twenty-one thousand, eight hundred fourteen".