164242642154 has 16 divisors (see below), whose sum is σ = 246590023680. Its totient is φ = 82046000400.

The previous prime is 164242642129. The next prime is 164242642169. The reversal of 164242642154 is 451246242461.

164242642154 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 17943479 + ... + 17952629.

It is an arithmetic number, because the mean of its divisors is an integer number (15411876480).

Almost surely, 2^164242642154 is an apocalyptic number.

164242642154 is a deficient number, since it is larger than the sum of its proper divisors (82347381526).

164242642154 is a wasteful number, since it uses less digits than its factorization.

164242642154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16405.

The product of its digits is 368640, while the sum is 41.

The spelling of 164242642154 in words is "one hundred sixty-four billion, two hundred forty-two million, six hundred forty-two thousand, one hundred fifty-four".