6166166859867 has 8 divisors (see below), whose sum is σ = 9396063786496. Its totient is φ = 3523523919912.

The previous prime is 6166166859851. The next prime is 6166166859883. The reversal of 6166166859867 is 7689586616616.

It is an interprime number because it is at equal distance from previous prime (6166166859851) and next prime (6166166859883).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6166166859867 - 2⁴ = 6166166859851 is a prime.

It is a super-2 number, since 2×6166166859867² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6166166854867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146813496643 + ... + 146813496684.

It is an arithmetic number, because the mean of its divisors is an integer number (1174507973312).

Almost surely, 2^{6166166859867} is an apocalyptic number.

6166166859867 is a deficient number, since it is larger than the sum of its proper divisors (3229896926629).

6166166859867 is a wasteful number, since it uses less digits than its factorization.

6166166859867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293626993337.

The product of its digits is 940584960, while the sum is 75.

The spelling of 6166166859867 in words is "six trillion, one hundred sixty-six billion, one hundred sixty-six million, eight hundred fifty-nine thousand, eight hundred sixty-seven".