667403367037 has 4 divisors (see below), whose sum is σ = 728076400416. Its totient is φ = 606730333660.

The previous prime is 667403367011. The next prime is 667403367041. The reversal of 667403367037 is 730763304766.

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.

It is not a de Polignac number, because 667403367037 - 2³⁵ = 633043628669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667403367637) 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, 30336516673 + ... + 30336516694.

It is an arithmetic number, because the mean of its divisors is an integer number (182019100104).

Almost surely, 2^667403367037 is an apocalyptic number.

It is an amenable number.

667403367037 is a deficient number, since it is larger than the sum of its proper divisors (60673033379).

667403367037 is a wasteful number, since it uses less digits than its factorization.

667403367037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60673033378.

The product of its (nonzero) digits is 8001504, while the sum is 52.

The spelling of 667403367037 in words is "six hundred sixty-seven billion, four hundred three million, three hundred sixty-seven thousand, thirty-seven".