7161164643 has 8 divisors (see below), whose sum is σ = 10109879568. Its totient is φ = 4493279744.

The previous prime is 7161164623. The next prime is 7161164671. The reversal of 7161164643 is 3464611617.

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 7161164643 - 2⁵ = 7161164611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7161164623) 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, 70207446 + ... + 70207547.

It is an arithmetic number, because the mean of its divisors is an integer number (1263734946).

Almost surely, 2^7161164643 is an apocalyptic number.

7161164643 is a deficient number, since it is larger than the sum of its proper divisors (2948714925).

7161164643 is a wasteful number, since it uses less digits than its factorization.

7161164643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140415013.

The product of its digits is 72576, while the sum is 39.

The square root of 7161164643 is about 84623.6647930117. The cubic root of 7161164643 is about 1927.5007376003.

The spelling of 7161164643 in words is "seven billion, one hundred sixty-one million, one hundred sixty-four thousand, six hundred forty-three".