667606624311170 has 32 divisors (see below), whose sum is σ = 1201980155684976. Its totient is φ = 266978605824000.

The previous prime is 667606624311119. The next prime is 667606624311287. The reversal of 667606624311170 is 71113426606766.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 463546799238769 + 204059825072401 = 21530137^2 + 14284951^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 711416270 + ... + 712354070.

Almost surely, 2^{667606624311170} is an apocalyptic number.

667606624311170 is a deficient number, since it is larger than the sum of its proper divisors (534373531373806).

667606624311170 is a wasteful number, since it uses less digits than its factorization.

667606624311170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954806.

The product of its (nonzero) digits is 9144576, while the sum is 56.

The spelling of 667606624311170 in words is "six hundred sixty-seven trillion, six hundred six billion, six hundred twenty-four million, three hundred eleven thousand, one hundred seventy".