164614678273 has 8 divisors (see below), whose sum is σ = 178549063560. Its totient is φ = 151152645120.

The previous prime is 164614678231. The next prime is 164614678381. The reversal of 164614678273 is 372876416461.

It can be written as a sum of positive squares in 4 ways, for example, as 13897580544 + 150717097729 = 117888^2 + 388223^2 .

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 164614678273 - 2⁹ = 164614677761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164614678673) 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 7 ways as a sum of consecutive naturals, for example, 118087308 + ... + 118088701.

It is an arithmetic number, because the mean of its divisors is an integer number (22318632945).

Almost surely, 2^164614678273 is an apocalyptic number.

It is an amenable number.

164614678273 is a deficient number, since it is larger than the sum of its proper divisors (13934385287).

164614678273 is a wasteful number, since it uses less digits than its factorization.

164614678273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236176067.

The product of its digits is 8128512, while the sum is 55.

The spelling of 164614678273 in words is "one hundred sixty-four billion, six hundred fourteen million, six hundred seventy-eight thousand, two hundred seventy-three".