6720528153 has 4 divisors (see below), whose sum is σ = 8960704208. Its totient is φ = 4480352100.

The previous prime is 6720528149. The next prime is 6720528203. The reversal of 6720528153 is 3518250276.

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 not a de Polignac number, because 6720528153 - 2² = 6720528149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6720528103) 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, 1120088023 + ... + 1120088028.

It is an arithmetic number, because the mean of its divisors is an integer number (2240176052).

Almost surely, 2^6720528153 is an apocalyptic number.

It is an amenable number.

6720528153 is a deficient number, since it is larger than the sum of its proper divisors (2240176055).

6720528153 is a wasteful number, since it uses less digits than its factorization.

6720528153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240176054.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 6720528153 is about 81978.8274678285. The cubic root of 6720528153 is about 1887.1270286138.

The spelling of 6720528153 in words is "six billion, seven hundred twenty million, five hundred twenty-eight thousand, one hundred fifty-three".