6653020378 has 8 divisors (see below), whose sum is σ = 9982739520. Its totient is φ = 3325440540.

The previous prime is 6653020351. The next prime is 6653020379. The reversal of 6653020378 is 8730203566.

6653020378 is nontrivially palindromic in base 14.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6653020378.

It is not an unprimeable number, because it can be changed into a prime (6653020379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527028 + ... + 539503.

It is an arithmetic number, because the mean of its divisors is an integer number (1247842440).

Almost surely, 2^6653020378 is an apocalyptic number.

6653020378 is a deficient number, since it is larger than the sum of its proper divisors (3329719142).

6653020378 is a wasteful number, since it uses less digits than its factorization.

6653020378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069652.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 6653020378 is about 81566.0491748865. The cubic root of 6653020378 is about 1880.7870156304.

The spelling of 6653020378 in words is "six billion, six hundred fifty-three million, twenty thousand, three hundred seventy-eight".