666667333460 has 24 divisors (see below), whose sum is σ = 1448277311880. Its totient is φ = 257471521664.

The previous prime is 666667333457. The next prime is 666667333471. The reversal of 666667333460 is 64333766666.

666667333460 is digitally balanced in base 2, 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 4 ways, for example, as 99158231236 + 567509102224 = 314894^2 + 753332^2 .

It is a junction number, because it is equal to n+sod(n) for n = 666667333396 and 666667333405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574712639 + ... + 574713798.

It is an arithmetic number, because the mean of its divisors is an integer number (60344887995).

Almost surely, 2^666667333460 is an apocalyptic number.

It is an amenable number.

666667333460 is an abundant number, since it is smaller than the sum of its proper divisors (781609978420).

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

666667333460 is a wasteful number, since it uses less digits than its factorization.

666667333460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149426475 (or 1149426473 counting only the distinct ones).

The product of its (nonzero) digits is 35271936, while the sum is 56.

The spelling of 666667333460 in words is "six hundred sixty-six billion, six hundred sixty-seven million, three hundred thirty-three thousand, four hundred sixty".