613216157 has 8 divisors (see below), whose sum is σ = 617647680. Its totient is φ = 608800480.

The previous prime is 613216139. The next prime is 613216169. The reversal of 613216157 is 751612316.

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 613216157 - 2⁸ = 613215901 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 (613216117) 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, 79982 + ... + 87312.

It is an arithmetic number, because the mean of its divisors is an integer number (77205960).

Almost surely, 2^613216157 is an apocalyptic number.

It is an amenable number.

613216157 is a deficient number, since it is larger than the sum of its proper divisors (4431523).

613216157 is a wasteful number, since it uses less digits than its factorization.

613216157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7923.

The product of its digits is 7560, while the sum is 32.

The square root of 613216157 is about 24763.2016710279. The cubic root of 613216157 is about 849.5804882579.

The spelling of 613216157 in words is "six hundred thirteen million, two hundred sixteen thousand, one hundred fifty-seven".