506816157 has 8 divisors (see below), whose sum is σ = 688505184. Its totient is φ = 331502288.

The previous prime is 506816153. The next prime is 506816161. The reversal of 506816157 is 751618605.

It is an interprime number because it is at equal distance from previous prime (506816153) and next prime (506816161).

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 506816157 - 2² = 506816153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506816153) 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, 1593603 + ... + 1593920.

It is an arithmetic number, because the mean of its divisors is an integer number (86063148).

Almost surely, 2^506816157 is an apocalyptic number.

It is an amenable number.

506816157 is a deficient number, since it is larger than the sum of its proper divisors (181689027).

506816157 is a wasteful number, since it uses less digits than its factorization.

506816157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3187579.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 506816157 is about 22512.5777511150. The cubic root of 506816157 is about 797.2909182211.

The spelling of 506816157 in words is "five hundred six million, eight hundred sixteen thousand, one hundred fifty-seven".