164797835825111 has 4 divisors (see below), whose sum is σ = 165032925463224. Its totient is φ = 164562746187000.

The previous prime is 164797835825107. The next prime is 164797835825261. The reversal of 164797835825111 is 111528538797461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164797835825111 - 2² = 164797835825107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164797835825911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117544818005 + ... + 117544819406.

It is an arithmetic number, because the mean of its divisors is an integer number (41258231365806).

Almost surely, 2^{164797835825111} is an apocalyptic number.

164797835825111 is a deficient number, since it is larger than the sum of its proper divisors (235089638113).

164797835825111 is an equidigital number, since it uses as much as digits as its factorization.

164797835825111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235089638112.

The product of its digits is 101606400, while the sum is 68.

The spelling of 164797835825111 in words is "one hundred sixty-four trillion, seven hundred ninety-seven billion, eight hundred thirty-five million, eight hundred twenty-five thousand, one hundred eleven".