6857212186608 has 80 divisors (see below), whose sum is σ = 20251719568896. Its totient is φ = 1958563134720.

The previous prime is 6857212186603. The next prime is 6857212186633. The reversal of 6857212186608 is 8066812127586.

It is a super-2 number, since 2×6857212186608² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6857212186603) 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, 2305116 + ... + 4362107.

Almost surely, 2^{6857212186608} is an apocalyptic number.

It is an amenable number.

6857212186608 is an abundant number, since it is smaller than the sum of its proper divisors (13394507382288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6857212186608 is a wasteful number, since it uses less digits than its factorization.

6857212186608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6670302 (or 6670296 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 60.

The spelling of 6857212186608 in words is "six trillion, eight hundred fifty-seven billion, two hundred twelve million, one hundred eighty-six thousand, six hundred eight".