6651973504 has 64 divisors (see below), whose sum is σ = 14499198000. Its totient is φ = 3014737920.

The previous prime is 6651973499. The next prime is 6651973547. The reversal of 6651973504 is 4053791566.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484624 + ... + 498160.

Almost surely, 2^6651973504 is an apocalyptic number.

6651973504 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6651973504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7249599000).

6651973504 is an abundant number, since it is smaller than the sum of its proper divisors (7847224496).

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

6651973504 is a wasteful number, since it uses less digits than its factorization.

6651973504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13911 (or 13899 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 46.

The square root of 6651973504 is about 81559.6315832778. The cubic root of 6651973504 is about 1880.6883611749.

The spelling of 6651973504 in words is "six billion, six hundred fifty-one million, nine hundred seventy-three thousand, five hundred four".