667233126530 has 16 divisors (see below), whose sum is σ = 1201030845624. Its totient is φ = 266890757760.

The previous prime is 667233126529. The next prime is 667233126541. The reversal of 667233126530 is 35621332766.

It can be written as a sum of positive squares in 4 ways, for example, as 666912322609 + 320803921 = 816647^2 + 17911^2 .

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, 1130264 + ... + 1616156.

Almost surely, 2^667233126530 is an apocalyptic number.

667233126530 is a deficient number, since it is larger than the sum of its proper divisors (533797719094).

667233126530 is a wasteful number, since it uses less digits than its factorization.

667233126530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623221.

The product of its (nonzero) digits is 816480, while the sum is 44.

The spelling of 667233126530 in words is "six hundred sixty-seven billion, two hundred thirty-three million, one hundred twenty-six thousand, five hundred thirty".