16667500009998 has 16 divisors (see below), whose sum is σ = 33335407760976. Its totient is φ = 5555765379840.

The previous prime is 16667500009987. The next prime is 16667500010009. The reversal of 16667500009998 is 89990000576661.

It is a happy number.

16667500009998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16667500009987) and next prime (16667500010009).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16456513 + ... + 17439948.

It is an arithmetic number, because the mean of its divisors is an integer number (2083462985061).

Almost surely, 2^{16667500009998} is an apocalyptic number.

16667500009998 is an abundant number, since it is smaller than the sum of its proper divisors (16667907750978).

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

16667500009998 is a wasteful number, since it uses less digits than its factorization.

16667500009998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33978419.

The product of its (nonzero) digits is 44089920, while the sum is 66.

The spelling of 16667500009998 in words is "sixteen trillion, six hundred sixty-seven billion, five hundred million, nine thousand, nine hundred ninety-eight".