164046733 has 4 divisors (see below), whose sum is σ = 165498588. Its totient is φ = 162594880.

The previous prime is 164046721. The next prime is 164046737. The reversal of 164046733 is 337640461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 337640461 = 269 ⋅1255169.

It can be written as a sum of positive squares in 2 ways, for example, as 71944324 + 92102409 = 8482^2 + 9597^2 .

It is a cyclic number.

It is not a de Polignac number, because 164046733 - 2⁹ = 164046221 is a prime.

It is a super-2 number, since 2×164046733² = 53822661215946578, 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 (164046737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 725758 + ... + 725983.

It is an arithmetic number, because the mean of its divisors is an integer number (41374647).

Almost surely, 2^164046733 is an apocalyptic number.

It is an amenable number.

164046733 is a deficient number, since it is larger than the sum of its proper divisors (1451855).

164046733 is a wasteful number, since it uses less digits than its factorization.

164046733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451854.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 164046733 is about 12808.0729620033. The cubic root of 164046733 is about 547.4223549392.

The spelling of 164046733 in words is "one hundred sixty-four million, forty-six thousand, seven hundred thirty-three".