6556745760 has 96 divisors (see below), whose sum is σ = 20664927360. Its totient is φ = 1747519488.

The previous prime is 6556745753. The next prime is 6556745761. The reversal of 6556745760 is 675476556.

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

It is a super-2 number, since 2×6556745760² = 85981829922555955200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6556745761) 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, 1761181 + ... + 1764899.

It is an arithmetic number, because the mean of its divisors is an integer number (215259660).

Almost surely, 2^6556745760 is an apocalyptic number.

6556745760 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6556745760 is an abundant number, since it is smaller than the sum of its proper divisors (14108181600).

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

6556745760 is a wasteful number, since it uses less digits than its factorization.

6556745760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7410 (or 7402 counting only the distinct ones).

The product of its (nonzero) digits is 5292000, while the sum is 51.

The square root of 6556745760 is about 80973.7350009248. The cubic root of 6556745760 is about 1871.6707270232.

The spelling of 6556745760 in words is "six billion, five hundred fifty-six million, seven hundred forty-five thousand, seven hundred sixty".