6727453656 has 128 divisors (see below), whose sum is σ = 22202242560. Its totient is φ = 1644595200.

The previous prime is 6727453651. The next prime is 6727453661. The reversal of 6727453656 is 6563547276.

It is an interprime number because it is at equal distance from previous prime (6727453651) and next prime (6727453661).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 6727453599 and 6727453608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6727453651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75655 + ... + 138486.

It is an arithmetic number, because the mean of its divisors is an integer number (173455020).

Almost surely, 2^6727453656 is an apocalyptic number.

6727453656 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6727453656 is an abundant number, since it is smaller than the sum of its proper divisors (15474788904).

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

6727453656 is a wasteful number, since it uses less digits than its factorization.

6727453656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214185 (or 214181 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 51.

The square root of 6727453656 is about 82021.0561746190. The cubic root of 6727453656 is about 1887.7750340912.

The spelling of 6727453656 in words is "six billion, seven hundred twenty-seven million, four hundred fifty-three thousand, six hundred fifty-six".