6609492212856 has 64 divisors (see below), whose sum is σ = 17795148672000. Its totient is φ = 2033648546688.

The previous prime is 6609492212839. The next prime is 6609492212861. The reversal of 6609492212856 is 6582122949066.

It is a super-2 number, since 2×6609492212856² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6609492212856.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17471745 + ... + 17846031.

It is an arithmetic number, because the mean of its divisors is an integer number (278049198000).

Almost surely, 2^{6609492212856} is an apocalyptic number.

It is an amenable number.

6609492212856 is an abundant number, since it is smaller than the sum of its proper divisors (11185656459144).

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

6609492212856 is a wasteful number, since it uses less digits than its factorization.

6609492212856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430908 (or 430904 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 60.

The spelling of 6609492212856 in words is "six trillion, six hundred nine billion, four hundred ninety-two million, two hundred twelve thousand, eight hundred fifty-six".