6520163151 has 4 divisors (see below), whose sum is σ = 8693550872. Its totient is φ = 4346775432.

The previous prime is 6520163147. The next prime is 6520163159. The reversal of 6520163151 is 1513610256.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6520163151 - 2² = 6520163147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6520163159) 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, 1086693856 + ... + 1086693861.

It is an arithmetic number, because the mean of its divisors is an integer number (2173387718).

Almost surely, 2^6520163151 is an apocalyptic number.

6520163151 is a deficient number, since it is larger than the sum of its proper divisors (2173387721).

6520163151 is a wasteful number, since it uses less digits than its factorization.

6520163151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173387720.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 6520163151 is about 80747.5272129122. The cubic root of 6520163151 is about 1868.1833092116.

The spelling of 6520163151 in words is "six billion, five hundred twenty million, one hundred sixty-three thousand, one hundred fifty-one".