6520038157 has 8 divisors (see below), whose sum is σ = 6875756000. Its totient is φ = 6165576144.

The previous prime is 6520038113. The next prime is 6520038163. The reversal of 6520038157 is 7518300256.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6520038157 - 2²³ = 6511649549 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 (6520038167) 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 7 ways as a sum of consecutive naturals, for example, 303282 + ... + 324067.

It is an arithmetic number, because the mean of its divisors is an integer number (859469500).

Almost surely, 2^6520038157 is an apocalyptic number.

It is an amenable number.

6520038157 is a deficient number, since it is larger than the sum of its proper divisors (355717843).

6520038157 is a wasteful number, since it uses less digits than its factorization.

6520038157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627915.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 6520038157 is about 80746.7532288451. The cubic root of 6520038157 is about 1868.1713712078.

The spelling of 6520038157 in words is "six billion, five hundred twenty million, thirty-eight thousand, one hundred fifty-seven".