6551004000 has 96 divisors (see below), whose sum is σ = 21461128416. Its totient is φ = 1746931200.

The previous prime is 6551003999. The next prime is 6551004017. The reversal of 6551004000 is 4001556.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260959 + ... + 284958.

It is an arithmetic number, because the mean of its divisors is an integer number (223553421).

Almost surely, 2^6551004000 is an apocalyptic number.

6551004000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6551004000 is an abundant number, since it is smaller than the sum of its proper divisors (14910124416).

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

6551004000 is a wasteful number, since it uses less digits than its factorization.

6551004000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545945 (or 545927 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 6551004000 is about 80938.2727762336. The cubic root of 6551004000 is about 1871.1242250947.

Adding to 6551004000 its reverse (4001556), we get a palindrome (6555005556).

The spelling of 6551004000 in words is "six billion, five hundred fifty-one million, four thousand".