16915669376 has 64 divisors (see below), whose sum is σ = 35187858000. Its totient is φ = 8089675776.

The previous prime is 16915669327. The next prime is 16915669387. The reversal of 16915669376 is 67396651961.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×16915669376² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375890 + ... + 418478.

Almost surely, 2^16915669376 is an apocalyptic number.

16915669376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16915669376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17593929000).

16915669376 is an abundant number, since it is smaller than the sum of its proper divisors (18272188624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16915669376 is a wasteful number, since it uses less digits than its factorization.

16915669376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42739 (or 42727 counting only the distinct ones).

The product of its digits is 11022480, while the sum is 59.

The spelling of 16915669376 in words is "sixteen billion, nine hundred fifteen million, six hundred sixty-nine thousand, three hundred seventy-six".