6553163420 has 12 divisors (see below), whose sum is σ = 13761643224. Its totient is φ = 2621265360.

The previous prime is 6553163411. The next prime is 6553163431. The reversal of 6553163420 is 243613556.

It is a congruent number.

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, 163829066 + ... + 163829105.

It is an arithmetic number, because the mean of its divisors is an integer number (1146803602).

Almost surely, 2^6553163420 is an apocalyptic number.

It is an amenable number.

6553163420 is an abundant number, since it is smaller than the sum of its proper divisors (7208479804).

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

6553163420 is a wasteful number, since it uses less digits than its factorization.

6553163420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327658180 (or 327658178 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 6553163420 is about 80951.6115960640. The cubic root of 6553163420 is about 1871.3297965965.

Adding to 6553163420 its reverse (243613556), we get a palindrome (6796776976).

The spelling of 6553163420 in words is "six billion, five hundred fifty-three million, one hundred sixty-three thousand, four hundred twenty".