2116667166597 has 12 divisors (see below), whose sum is σ = 3060870664384. Its totient is φ = 1409513351400.

The previous prime is 2116667166553. The next prime is 2116667166599. The reversal of 2116667166597 is 7956617666112.

It is a happy number.

It is not a de Polignac number, because 2116667166597 - 2¹² = 2116667162501 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 (2116667166599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133166029 + ... + 133181922.

Almost surely, 2^{2116667166597} is an apocalyptic number.

It is an amenable number.

2116667166597 is a deficient number, since it is larger than the sum of its proper divisors (944203497787).

2116667166597 is a wasteful number, since it uses less digits than its factorization.

2116667166597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266348840 (or 266348837 counting only the distinct ones).

The product of its digits is 34292160, while the sum is 63.

The spelling of 2116667166597 in words is "two trillion, one hundred sixteen billion, six hundred sixty-seven million, one hundred sixty-six thousand, five hundred ninety-seven".