6625129104 has 80 divisors (see below), whose sum is σ = 20745368640. Its totient is φ = 2007613440.

The previous prime is 6625129103. The next prime is 6625129129. The reversal of 6625129104 is 4019215266.

6625129104 is a `hidden beast` number, since 6 + 625 + 1 + 29 + 1 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6625129103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 692337 + ... + 701840.

It is an arithmetic number, because the mean of its divisors is an integer number (259317108).

Almost surely, 2^6625129104 is an apocalyptic number.

It is an amenable number.

6625129104 is an abundant number, since it is smaller than the sum of its proper divisors (14120239536).

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

6625129104 is a wasteful number, since it uses less digits than its factorization.

6625129104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394205 (or 1394193 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 6625129104 is about 81394.8960562024. The cubic root of 6625129104 is about 1878.1550770694.

The spelling of 6625129104 in words is "six billion, six hundred twenty-five million, one hundred twenty-nine thousand, one hundred four".