8164993193 has 8 divisors (see below), whose sum is σ = 9340979712. Its totient is φ = 6991396416.

The previous prime is 8164993163. The next prime is 8164993271. The reversal of 8164993193 is 3913994618.

It is a happy number.

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 8164993193 - 2⁸ = 8164992937 is a prime.

It is a super-2 number, since 2×8164993193² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8164993153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590105 + ... + 603782.

It is an arithmetic number, because the mean of its divisors is an integer number (1167622464).

Almost surely, 2^8164993193 is an apocalyptic number.

It is an amenable number.

8164993193 is a deficient number, since it is larger than the sum of its proper divisors (1175986519).

8164993193 is a wasteful number, since it uses less digits than its factorization.

8164993193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194871.

The product of its digits is 1259712, while the sum is 53.

The square root of 8164993193 is about 90360.3518862117. The cubic root of 8164993193 is about 2013.6559776666.

The spelling of 8164993193 in words is "eight billion, one hundred sixty-four million, nine hundred ninety-three thousand, one hundred ninety-three".