16619890729008 has 80 divisors (see below), whose sum is σ = 49071827702016. Its totient is φ = 4748193864960.

The previous prime is 16619890729007. The next prime is 16619890729009. The reversal of 16619890729008 is 80092709891661.

It is an interprime number because it is at equal distance from previous prime (16619890729007) and next prime (16619890729009).

It is a self number, because there is not a number n which added to its sum of digits gives 16619890729008.

It is not an unprimeable number, because it can be changed into a prime (16619890729007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2827378 + ... + 6421358.

Almost surely, 2^{16619890729008} is an apocalyptic number.

It is an amenable number.

16619890729008 is an abundant number, since it is smaller than the sum of its proper divisors (32451936973008).

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

16619890729008 is a wasteful number, since it uses less digits than its factorization.

16619890729008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3607762 (or 3607756 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 66.

The spelling of 16619890729008 in words is "sixteen trillion, six hundred nineteen billion, eight hundred ninety million, seven hundred twenty-nine thousand, eight".