164055743 has 8 divisors (see below), whose sum is σ = 169108512. Its totient is φ = 159035616.

The previous prime is 164055739. The next prime is 164055761. The reversal of 164055743 is 347550461.

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 164055743 - 2² = 164055739 is a prime.

It is a super-2 number, since 2×164055743² = 53828573622564098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164055733) 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, 2246 + ... + 18252.

It is an arithmetic number, because the mean of its divisors is an integer number (21138564).

Almost surely, 2^164055743 is an apocalyptic number.

164055743 is a deficient number, since it is larger than the sum of its proper divisors (5052769).

164055743 is a wasteful number, since it uses less digits than its factorization.

164055743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16321.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 164055743 is about 12808.4246884619. The cubic root of 164055743 is about 547.4323768499.

The spelling of 164055743 in words is "one hundred sixty-four million, fifty-five thousand, seven hundred forty-three".