6557329632 has 48 divisors (see below), whose sum is σ = 19671990912. Its totient is φ = 1873522560.

The previous prime is 6557329631. The next prime is 6557329633. The reversal of 6557329632 is 2369237556.

It is an interprime number because it is at equal distance from previous prime (6557329631) and next prime (6557329633).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6557329631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4878294 + ... + 4879637.

It is an arithmetic number, because the mean of its divisors is an integer number (409833144).

Almost surely, 2^6557329632 is an apocalyptic number.

It is an amenable number.

6557329632 is an abundant number, since it is smaller than the sum of its proper divisors (13114661280).

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

6557329632 is a wasteful number, since it uses less digits than its factorization.

6557329632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9757951 (or 9757943 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 48.

The square root of 6557329632 is about 80977.3402378715. The cubic root of 6557329632 is about 1871.7262822093.

The spelling of 6557329632 in words is "six billion, five hundred fifty-seven million, three hundred twenty-nine thousand, six hundred thirty-two".