8164739494 has 8 divisors (see below), whose sum is σ = 12384717480. Its totient is φ = 4036500336.

The previous prime is 8164739491. The next prime is 8164739519. The reversal of 8164739494 is 4949374618.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8164739491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22934484 + ... + 22934839.

It is an arithmetic number, because the mean of its divisors is an integer number (1548089685).

Almost surely, 2^8164739494 is an apocalyptic number.

8164739494 is a deficient number, since it is larger than the sum of its proper divisors (4219977986).

8164739494 is a wasteful number, since it uses less digits than its factorization.

8164739494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45869414.

The product of its digits is 5225472, while the sum is 55.

The square root of 8164739494 is about 90358.9480571792. The cubic root of 8164739494 is about 2013.6351216460.

The spelling of 8164739494 in words is "eight billion, one hundred sixty-four million, seven hundred thirty-nine thousand, four hundred ninety-four".