164449604608 has 22 divisors (see below), whose sum is σ = 328738615946. Its totient is φ = 82224801792.

The previous prime is 164449604603. The next prime is 164449604701. The reversal of 164449604608 is 806406944461.

It can be written as a sum of positive squares in only one way, i.e., 127511839744 + 36937764864 = 357088^2 + 192192^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164449604603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80296635 + ... + 80298682.

Almost surely, 2^164449604608 is an apocalyptic number.

It is an amenable number.

164449604608 is a deficient number, since it is larger than the sum of its proper divisors (164289011338).

164449604608 is an equidigital number, since it uses as much as digits as its factorization.

164449604608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160595337 (or 160595319 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 52.

The spelling of 164449604608 in words is "one hundred sixty-four billion, four hundred forty-nine million, six hundred four thousand, six hundred eight".