6671156557100 has 72 divisors (see below), whose sum is σ = 16564188990720. Its totient is φ = 2284527309120.

The previous prime is 6671156557097. The next prime is 6671156557103. The reversal of 6671156557100 is 17556511766.

It is an interprime number because it is at equal distance from previous prime (6671156557097) and next prime (6671156557103).

It is a Harshad number since it is a multiple of its sum of digits (50).

It is not an unprimeable number, because it can be changed into a prime (6671156557103) 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 23 ways as a sum of consecutive naturals, for example, 5092214 + ... + 6266813.

Almost surely, 2^{6671156557100} is an apocalyptic number.

It is an amenable number.

6671156557100 is an abundant number, since it is smaller than the sum of its proper divisors (9893032433620).

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

6671156557100 is a wasteful number, since it uses less digits than its factorization.

6671156557100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11359887 (or 11359880 counting only the distinct ones).

The product of its (nonzero) digits is 1323000, while the sum is 50.

The spelling of 6671156557100 in words is "six trillion, six hundred seventy-one billion, one hundred fifty-six million, five hundred fifty-seven thousand, one hundred".