667051052 has 12 divisors (see below), whose sum is σ = 1168228320. Its totient is φ = 333271536.

The previous prime is 667051009. The next prime is 667051061. The reversal of 667051052 is 250150766.

It is a happy number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 57527 + ... + 68142.

It is an arithmetic number, because the mean of its divisors is an integer number (97352360).

Almost surely, 2^667051052 is an apocalyptic number.

It is an amenable number.

667051052 is a deficient number, since it is larger than the sum of its proper divisors (501177268).

667051052 is a wasteful number, since it uses less digits than its factorization.

667051052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127000 (or 126998 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 667051052 is about 25827.3314920454. The cubic root of 667051052 is about 873.7483282374.

The spelling of 667051052 in words is "six hundred sixty-seven million, fifty-one thousand, fifty-two".