6676891554 has 16 divisors (see below), whose sum is σ = 13358157120. Its totient is φ = 2224901520.

The previous prime is 6676891553. The next prime is 6676891603. The reversal of 6676891554 is 4551986766.

It is a junction number, because it is equal to n+sod(n) for n = 6676891494 and 6676891503.

It is not an unprimeable number, because it can be changed into a prime (6676891553) 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, 162237 + ... + 199184.

It is an arithmetic number, because the mean of its divisors is an integer number (834884820).

Almost surely, 2^6676891554 is an apocalyptic number.

6676891554 is an abundant number, since it is smaller than the sum of its proper divisors (6681265566).

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

6676891554 is a wasteful number, since it uses less digits than its factorization.

6676891554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364505.

The product of its digits is 10886400, while the sum is 57.

The square root of 6676891554 is about 81712.2484943353. The cubic root of 6676891554 is about 1883.0337649993.

The spelling of 6676891554 in words is "six billion, six hundred seventy-six million, eight hundred ninety-one thousand, five hundred fifty-four".