164538799190 has 16 divisors (see below), whose sum is σ = 299918825280. Its totient is φ = 64982411520.

The previous prime is 164538799177. The next prime is 164538799199. The reversal of 164538799190 is 91997835461.

164538799190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×164538799190² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164538799199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104137691 + ... + 104139270.

It is an arithmetic number, because the mean of its divisors is an integer number (18744926580).

Almost surely, 2^164538799190 is an apocalyptic number.

164538799190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164538799190 is a deficient number, since it is larger than the sum of its proper divisors (135380026090).

164538799190 is a wasteful number, since it uses less digits than its factorization.

164538799190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208277047.

The product of its (nonzero) digits is 14696640, while the sum is 62.

The spelling of 164538799190 in words is "one hundred sixty-four billion, five hundred thirty-eight million, seven hundred ninety-nine thousand, one hundred ninety".