164792121106543 has 16 divisors (see below), whose sum is σ = 191404355871744. Its totient is φ = 138956218672320.

The previous prime is 164792121106513. The next prime is 164792121106553. The reversal of 164792121106543 is 345601121297461.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-164792121106543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164792121106513) 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, 362544955 + ... + 362999212.

It is an arithmetic number, because the mean of its divisors is an integer number (11962772241984).

Almost surely, 2^{164792121106543} is an apocalyptic number.

164792121106543 is a deficient number, since it is larger than the sum of its proper divisors (26612234765201).

164792121106543 is an equidigital number, since it uses as much as digits as its factorization.

164792121106543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725544702.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 164792121106543 in words is "one hundred sixty-four trillion, seven hundred ninety-two billion, one hundred twenty-one million, one hundred six thousand, five hundred forty-three".