667061300 has 36 divisors (see below), whose sum is σ = 1532675340. Its totient is φ = 251128320.

The previous prime is 667061299. The next prime is 667061303. The reversal of 667061300 is 3160766.

It is a happy number.

667061300 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 70627216 + 596434084 = 8404^2 + 24422^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667061303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194495 + ... + 197894.

It is an arithmetic number, because the mean of its divisors is an integer number (42574315).

Almost surely, 2^667061300 is an apocalyptic number.

It is an amenable number.

667061300 is an abundant number, since it is smaller than the sum of its proper divisors (865614040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

667061300 is a wasteful number, since it uses less digits than its factorization.

667061300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392420 (or 392413 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 667061300 is about 25827.5298857634. The cubic root of 667061300 is about 873.7528027210.

The spelling of 667061300 in words is "six hundred sixty-seven million, sixty-one thousand, three hundred".