16668350154 has 16 divisors (see below), whose sum is σ = 37040778240. Its totient is φ = 5556116700.

The previous prime is 16668350147. The next prime is 16668350161. The reversal of 16668350154 is 45105386661.

16668350154 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 (16668350147) and next prime (16668350161).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154336522 + ... + 154336629.

It is an arithmetic number, because the mean of its divisors is an integer number (2315048640).

Almost surely, 2^16668350154 is an apocalyptic number.

16668350154 is an abundant number, since it is smaller than the sum of its proper divisors (20372428086).

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

16668350154 is a wasteful number, since it uses less digits than its factorization.

16668350154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308673162 (or 308673156 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 16668350154 in words is "sixteen billion, six hundred sixty-eight million, three hundred fifty thousand, one hundred fifty-four".