164553117371 has 4 divisors (see below), whose sum is σ = 164589992352. Its totient is φ = 164516242392.

The previous prime is 164553117367. The next prime is 164553117481. The reversal of 164553117371 is 173711355461.

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 164553117371 - 2² = 164553117367 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164553117331) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 18430796 + ... + 18439721.

It is an arithmetic number, because the mean of its divisors is an integer number (41147498088).

Almost surely, 2^164553117371 is an apocalyptic number.

164553117371 is a deficient number, since it is larger than the sum of its proper divisors (36874981).

164553117371 is an equidigital number, since it uses as much as digits as its factorization.

164553117371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36874980.

The product of its digits is 264600, while the sum is 44.

The spelling of 164553117371 in words is "one hundred sixty-four billion, five hundred fifty-three million, one hundred seventeen thousand, three hundred seventy-one".