6691401874 has 8 divisors (see below), whose sum is σ = 10565371440. Its totient is φ = 3169611396.

The previous prime is 6691401839. The next prime is 6691401881. The reversal of 6691401874 is 4781041966.

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

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, 88044724 + ... + 88044799.

It is an arithmetic number, because the mean of its divisors is an integer number (1320671430).

Almost surely, 2^6691401874 is an apocalyptic number.

6691401874 is a deficient number, since it is larger than the sum of its proper divisors (3873969566).

6691401874 is a wasteful number, since it uses less digits than its factorization.

6691401874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176089544.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 6691401874 is about 81800.9894438936. The cubic root of 6691401874 is about 1884.3968570370.

The spelling of 6691401874 in words is "six billion, six hundred ninety-one million, four hundred one thousand, eight hundred seventy-four".