164253171047 has 8 divisors (see below), whose sum is σ = 190289388576. Its totient is φ = 138859823232.

The previous prime is 164253171013. The next prime is 164253171077. The reversal of 164253171047 is 740171352461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 164253171047 - 2²⁰ = 164252122471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164253170995 and 164253171013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164253171077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160716878 + ... + 160717899.

It is an arithmetic number, because the mean of its divisors is an integer number (23786173572).

Almost surely, 2^164253171047 is an apocalyptic number.

164253171047 is a deficient number, since it is larger than the sum of its proper divisors (26036217529).

164253171047 is an equidigital number, since it uses as much as digits as its factorization.

164253171047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321434857.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 164253171047 in words is "one hundred sixty-four billion, two hundred fifty-three million, one hundred seventy-one thousand, forty-seven".