7956164321 has 8 divisors (see below), whose sum is σ = 9114463680. Its totient is φ = 6803291088.

The previous prime is 7956164309. The next prime is 7956164383. The reversal of 7956164321 is 1234616597.

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 7956164321 - 2¹⁰ = 7956163297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7956164621) 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, 1353386 + ... + 1359251.

It is an arithmetic number, because the mean of its divisors is an integer number (1139307960).

Almost surely, 2^7956164321 is an apocalyptic number.

It is an amenable number.

7956164321 is a deficient number, since it is larger than the sum of its proper divisors (1158299359).

7956164321 is a wasteful number, since it uses less digits than its factorization.

7956164321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2713063.

The product of its digits is 272160, while the sum is 44.

The square root of 7956164321 is about 89197.3335980398. Note that the first 3 decimals coincide. The cubic root of 7956164321 is about 1996.3403342579.

The spelling of 7956164321 in words is "seven billion, nine hundred fifty-six million, one hundred sixty-four thousand, three hundred twenty-one".