6658401382 has 8 divisors (see below), whose sum is σ = 10513265400. Its totient is φ = 3153979584.

The previous prime is 6658401331. The next prime is 6658401383. The reversal of 6658401382 is 2831048566.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6658401383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87610507 + ... + 87610582.

It is an arithmetic number, because the mean of its divisors is an integer number (1314158175).

Almost surely, 2^6658401382 is an apocalyptic number.

6658401382 is a deficient number, since it is larger than the sum of its proper divisors (3854864018).

6658401382 is a wasteful number, since it uses less digits than its factorization.

6658401382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175221110.

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 6658401382 is about 81599.0280701921. The cubic root of 6658401382 is about 1881.2939430404.

The spelling of 6658401382 in words is "six billion, six hundred fifty-eight million, four hundred one thousand, three hundred eighty-two".