6621546141 has 24 divisors (see below), whose sum is σ = 10943562240. Its totient is φ = 3779325216.

The previous prime is 6621546131. The next prime is 6621546181. The reversal of 6621546141 is 1416451266.

It is not a de Polignac number, because 6621546141 - 2¹⁵ = 6621513373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6621546096 and 6621546105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6621546131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6526 + ... + 115263.

It is an arithmetic number, because the mean of its divisors is an integer number (455981760).

Almost surely, 2^6621546141 is an apocalyptic number.

It is an amenable number.

6621546141 is a deficient number, since it is larger than the sum of its proper divisors (4322016099).

6621546141 is a wasteful number, since it uses less digits than its factorization.

6621546141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122665 (or 122662 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 6621546141 is about 81372.8833273100. The cubic root of 6621546141 is about 1877.8164384548.

The spelling of 6621546141 in words is "six billion, six hundred twenty-one million, five hundred forty-six thousand, one hundred forty-one".