6680741554 has 8 divisors (see below), whose sum is σ = 10021719708. Its totient is φ = 3340168320.

The previous prime is 6680741503. The next prime is 6680741579. The reversal of 6680741554 is 4551470866.

It can be written as a sum of positive squares in 2 ways, for example, as 5439800025 + 1240941529 = 73755^2 + 35227^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6680741554² = 89264615422684669832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55927 + ... + 128410.

Almost surely, 2^6680741554 is an apocalyptic number.

6680741554 is a deficient number, since it is larger than the sum of its proper divisors (3340978154).

6680741554 is a wasteful number, since it uses less digits than its factorization.

6680741554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202460.

The product of its (nonzero) digits is 806400, while the sum is 46.

The square root of 6680741554 is about 81735.8033789355. The cubic root of 6680741554 is about 1883.3956243544.

The spelling of 6680741554 in words is "six billion, six hundred eighty million, seven hundred forty-one thousand, five hundred fifty-four".