6397087221606 has 16 divisors (see below), whose sum is σ = 12815970318144. Its totient is φ = 2128729761384.

The previous prime is 6397087221601. The next prime is 6397087221611. The reversal of 6397087221606 is 6061227807936.

It is an interprime number because it is at equal distance from previous prime (6397087221601) and next prime (6397087221611).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6397087221601) 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, 908157640 + ... + 908164683.

It is an arithmetic number, because the mean of its divisors is an integer number (800998144884).

Almost surely, 2^{6397087221606} is an apocalyptic number.

6397087221606 is an abundant number, since it is smaller than the sum of its proper divisors (6418883096538).

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

6397087221606 is a wasteful number, since it uses less digits than its factorization.

6397087221606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816322915.

The product of its (nonzero) digits is 9144576, while the sum is 57.

The spelling of 6397087221606 in words is "six trillion, three hundred ninety-seven billion, eighty-seven million, two hundred twenty-one thousand, six hundred six".