164254314447 has 6 divisors (see below), whose sum is σ = 237256231992. Its totient is φ = 109502876292.

The previous prime is 164254314443. The next prime is 164254314509. The reversal of 164254314447 is 744413452461.

164254314447 is a `hidden beast` number, since 1 + 6 + 425 + 43 + 144 + 47 = 666.

It is not a de Polignac number, because 164254314447 - 2² = 164254314443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164254314443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9125239683 + ... + 9125239700.

It is an arithmetic number, because the mean of its divisors is an integer number (39542705332).

Almost surely, 2^164254314447 is an apocalyptic number.

164254314447 is a deficient number, since it is larger than the sum of its proper divisors (73001917545).

164254314447 is a wasteful number, since it uses less digits than its factorization.

164254314447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18250479389 (or 18250479386 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 45.

The spelling of 164254314447 in words is "one hundred sixty-four billion, two hundred fifty-four million, three hundred fourteen thousand, four hundred forty-seven".