164144735 has 8 divisors (see below), whose sum is σ = 198781440. Its totient is φ = 130110624.

The previous prime is 164144731. The next prime is 164144759. The reversal of 164144735 is 537441461.

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 164144735 - 2² = 164144731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164144695 and 164144704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164144731) 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, 150047 + ... + 151136.

It is an arithmetic number, because the mean of its divisors is an integer number (24847680).

Almost surely, 2^164144735 is an apocalyptic number.

164144735 is a deficient number, since it is larger than the sum of its proper divisors (34636705).

164144735 is a wasteful number, since it uses less digits than its factorization.

164144735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301297.

The product of its digits is 40320, while the sum is 35.

The square root of 164144735 is about 12811.8981809879. The cubic root of 164144735 is about 547.5313438128.

The spelling of 164144735 in words is "one hundred sixty-four million, one hundred forty-four thousand, seven hundred thirty-five".