6623541272 has 8 divisors (see below), whose sum is σ = 12419139900. Its totient is φ = 3311770632.

The previous prime is 6623541263. The next prime is 6623541319. The reversal of 6623541272 is 2721453266.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413971322 + ... + 413971337.

Almost surely, 2^6623541272 is an apocalyptic number.

It is an amenable number.

6623541272 is a deficient number, since it is larger than the sum of its proper divisors (5795598628).

6623541272 is a wasteful number, since it uses less digits than its factorization.

6623541272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827942665 (or 827942661 counting only the distinct ones).

The product of its digits is 120960, while the sum is 38.

The square root of 6623541272 is about 81385.1415923079. The cubic root of 6623541272 is about 1878.0050204711.

The spelling of 6623541272 in words is "six billion, six hundred twenty-three million, five hundred forty-one thousand, two hundred seventy-two".