9979164148 has 24 divisors (see below), whose sum is σ = 17812069128. Its totient is φ = 4890203136.

The previous prime is 9979164137. The next prime is 9979164149. The reversal of 9979164148 is 8414619799.

It can be written as a sum of positive squares in 4 ways, for example, as 3560270224 + 6418893924 = 59668^2 + 80118^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9979164092 and 9979164101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9979164149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177340 + ... + 226732.

It is an arithmetic number, because the mean of its divisors is an integer number (742169547).

Almost surely, 2^9979164148 is an apocalyptic number.

It is an amenable number.

9979164148 is a deficient number, since it is larger than the sum of its proper divisors (7832904980).

9979164148 is a wasteful number, since it uses less digits than its factorization.

9979164148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50403 (or 50401 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 58.

The square root of 9979164148 is about 99895.7664168007. The cubic root of 9979164148 is about 2152.9373335151.

The spelling of 9979164148 in words is "nine billion, nine hundred seventy-nine million, one hundred sixty-four thousand, one hundred forty-eight".