2179052168 has 8 divisors (see below), whose sum is σ = 4085722830. Its totient is φ = 1089526080.

The previous prime is 2179052167. The next prime is 2179052171. The reversal of 2179052168 is 8612509712.

It can be written as a sum of positive squares in only one way, i.e., 1370332324 + 808719844 = 37018^2 + 28438^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×2179052168³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2179052167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136190753 + ... + 136190768.

Almost surely, 2^2179052168 is an apocalyptic number.

It is an amenable number.

2179052168 is a deficient number, since it is larger than the sum of its proper divisors (1906670662).

2179052168 is a wasteful number, since it uses less digits than its factorization.

2179052168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272381527 (or 272381523 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 2179052168 is about 46680.3188506677. The cubic root of 2179052168 is about 1296.4503099724.

The spelling of 2179052168 in words is "two billion, one hundred seventy-nine million, fifty-two thousand, one hundred sixty-eight".