1667188867001 has 48 divisors (see below), whose sum is σ = 2063972140416. Its totient is φ = 1318462040064.

The previous prime is 1667188866943. The next prime is 1667188867009. The reversal of 1667188867001 is 1007688817661.

It is not a de Polignac number, because 1667188867001 - 2¹⁸ = 1667188604857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1667188867009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 140129285 + ... + 140141181.

It is an arithmetic number, because the mean of its divisors is an integer number (42999419592).

Almost surely, 2^{1667188867001} is an apocalyptic number.

It is an amenable number.

1667188867001 is a deficient number, since it is larger than the sum of its proper divisors (396783273415).

1667188867001 is a wasteful number, since it uses less digits than its factorization.

1667188867001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13298 (or 13281 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 59.

The spelling of 1667188867001 in words is "one trillion, six hundred sixty-seven billion, one hundred eighty-eight million, eight hundred sixty-seven thousand, one".