667227373145 has 16 divisors (see below), whose sum is σ = 805271908608. Its totient is φ = 530722128000.

The previous prime is 667227373117. The next prime is 667227373151. The reversal of 667227373145 is 541373722766.

It is not a de Polignac number, because 667227373145 - 2⁶ = 667227373081 is a prime.

It is a Duffinian number.

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, 460997 + ... + 1243773.

It is an arithmetic number, because the mean of its divisors is an integer number (50329494288).

Almost surely, 2^667227373145 is an apocalyptic number.

It is an amenable number.

667227373145 is a deficient number, since it is larger than the sum of its proper divisors (138044535463).

667227373145 is a wasteful number, since it uses less digits than its factorization.

667227373145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783760.

The product of its digits is 8890560, while the sum is 53.

The spelling of 667227373145 in words is "six hundred sixty-seven billion, two hundred twenty-seven million, three hundred seventy-three thousand, one hundred forty-five".