16668184998 has 32 divisors (see below), whose sum is σ = 34455891456. Its totient is φ = 5372323808.

The previous prime is 16668184993. The next prime is 16668185003. The reversal of 16668184998 is 89948186661.

It is an interprime number because it is at equal distance from previous prime (16668184993) and next prime (16668185003).

It is a super-2 number, since 2×16668184998² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16668184991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332661 + ... + 379472.

It is an arithmetic number, because the mean of its divisors is an integer number (1076746608).

Almost surely, 2^16668184998 is an apocalyptic number.

16668184998 is an abundant number, since it is smaller than the sum of its proper divisors (17787706458).

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

16668184998 is a wasteful number, since it uses less digits than its factorization.

16668184998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712268.

The product of its digits is 35831808, while the sum is 66.

The spelling of 16668184998 in words is "sixteen billion, six hundred sixty-eight million, one hundred eighty-four thousand, nine hundred ninety-eight".