164052793 has 4 divisors (see below), whose sum is σ = 164081700. Its totient is φ = 164023888.

The previous prime is 164052781. The next prime is 164052799. The reversal of 164052793 is 397250461.

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 72812089 + 91240704 = 8533^2 + 9552^2 .

It is a cyclic number.

It is not a de Polignac number, because 164052793 - 2²¹ = 161955641 is a prime.

It is a super-2 number, since 2×164052793² = 53826637782201698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164052799) 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, 2818 + ... + 18331.

It is an arithmetic number, because the mean of its divisors is an integer number (41020425).

Almost surely, 2^164052793 is an apocalyptic number.

It is an amenable number.

164052793 is a deficient number, since it is larger than the sum of its proper divisors (28907).

164052793 is an equidigital number, since it uses as much as digits as its factorization.

164052793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28906.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 164052793 is about 12808.3095293641. The cubic root of 164052793 is about 547.4290955766.

The spelling of 164052793 in words is "one hundred sixty-four million, fifty-two thousand, seven hundred ninety-three".