667164670037 has 4 divisors (see below), whose sum is σ = 667385369280. Its totient is φ = 666943970796.

The previous prime is 667164670009. The next prime is 667164670063. The reversal of 667164670037 is 730076461766.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 730076461766 = 2 ⋅365038230883.

It is a cyclic number.

It is not a de Polignac number, because 667164670037 - 2²⁰ = 667163621461 is a prime.

It is a super-3 number, since 3×667164670037³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667164670097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110345087 + ... + 110351132.

It is an arithmetic number, because the mean of its divisors is an integer number (166846342320).

Almost surely, 2^667164670037 is an apocalyptic number.

It is an amenable number.

667164670037 is a deficient number, since it is larger than the sum of its proper divisors (220699243).

667164670037 is a wasteful number, since it uses less digits than its factorization.

667164670037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220699242.

The product of its (nonzero) digits is 5334336, while the sum is 53.

The spelling of 667164670037 in words is "six hundred sixty-seven billion, one hundred sixty-four million, six hundred seventy thousand, thirty-seven".