6556544701 has 4 divisors (see below), whose sum is σ = 7493193952. Its totient is φ = 5619895452.

The previous prime is 6556544677. The next prime is 6556544711. The reversal of 6556544701 is 1074456556.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6556544701 - 2⁷ = 6556544573 is a prime.

It is a super-2 number, since 2×6556544701² = 85976556832422358802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6556544711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 468324615 + ... + 468324628.

It is an arithmetic number, because the mean of its divisors is an integer number (1873298488).

Almost surely, 2^6556544701 is an apocalyptic number.

It is an amenable number.

6556544701 is a deficient number, since it is larger than the sum of its proper divisors (936649251).

6556544701 is an equidigital number, since it uses as much as digits as its factorization.

6556544701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936649250.

The product of its (nonzero) digits is 504000, while the sum is 43.

The square root of 6556544701 is about 80972.4934838986. The cubic root of 6556544701 is about 1871.6515955767.

The spelling of 6556544701 in words is "six billion, five hundred fifty-six million, five hundred forty-four thousand, seven hundred one".