667324036 has 12 divisors (see below), whose sum is σ = 1196300700. Its totient is φ = 325523840.

The previous prime is 667324033. The next prime is 667324039. The reversal of 667324036 is 630423766.

It is an interprime number because it is at equal distance from previous prime (667324033) and next prime (667324039).

It can be written as a sum of positive squares in 2 ways, for example, as 140896900 + 526427136 = 11870^2 + 22944^2 .

It is a junction number, because it is equal to n+sod(n) for n = 667323986 and 667324004.

It is not an unprimeable number, because it can be changed into a prime (667324033) 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, 2034361 + ... + 2034688.

It is an arithmetic number, because the mean of its divisors is an integer number (99691725).

Almost surely, 2^667324036 is an apocalyptic number.

It is an amenable number.

667324036 is a deficient number, since it is larger than the sum of its proper divisors (528976664).

667324036 is a wasteful number, since it uses less digits than its factorization.

667324036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4069094 (or 4069092 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 37.

The square root of 667324036 is about 25832.6157405711. The cubic root of 667324036 is about 873.8675029158.

The spelling of 667324036 in words is "six hundred sixty-seven million, three hundred twenty-four thousand, thirty-six".