9667571712623 has 16 divisors (see below), whose sum is σ = 10656636867744. Its totient is φ = 8696897372160.

The previous prime is 9667571712611. The next prime is 9667571712629. The reversal of 9667571712623 is 3262171757669.

It is a cyclic number.

It is not a de Polignac number, because 9667571712623 - 2¹⁴ = 9667571696239 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 (9667571712629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7165061 + ... + 8406737.

It is an arithmetic number, because the mean of its divisors is an integer number (666039804234).

Almost surely, 2^{9667571712623} is an apocalyptic number.

9667571712623 is a deficient number, since it is larger than the sum of its proper divisors (989065155121).

9667571712623 is a wasteful number, since it uses less digits than its factorization.

9667571712623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249082.

The product of its digits is 40007520, while the sum is 62.

The spelling of 9667571712623 in words is "nine trillion, six hundred sixty-seven billion, five hundred seventy-one million, seven hundred twelve thousand, six hundred twenty-three".