164933747029 has 4 divisors (see below), whose sum is σ = 164935166220. Its totient is φ = 164932327840.

The previous prime is 164933747021. The next prime is 164933747053. The reversal of 164933747029 is 920747339461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44956720900 + 119977026129 = 212030^2 + 346377^2 .

It is a cyclic number.

It is not a de Polignac number, because 164933747029 - 2³ = 164933747021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164933747021) 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 3 ways as a sum of consecutive naturals, for example, 518032 + ... + 773449.

It is an arithmetic number, because the mean of its divisors is an integer number (41233791555).

Almost surely, 2^164933747029 is an apocalyptic number.

It is an amenable number.

164933747029 is a deficient number, since it is larger than the sum of its proper divisors (1419191).

164933747029 is a wasteful number, since it uses less digits than its factorization.

164933747029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419190.

The product of its (nonzero) digits is 6858432, while the sum is 55.

The spelling of 164933747029 in words is "one hundred sixty-four billion, nine hundred thirty-three million, seven hundred forty-seven thousand, twenty-nine".