616412157 has 8 divisors (see below), whose sum is σ = 821998176. Its totient is φ = 410883792.

The previous prime is 616412149. The next prime is 616412161. The reversal of 616412157 is 751214616.

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

It is not a de Polignac number, because 616412157 - 2³ = 616412149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616412107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30798 + ... + 46704.

It is an arithmetic number, because the mean of its divisors is an integer number (102749772).

Almost surely, 2^616412157 is an apocalyptic number.

It is an amenable number.

616412157 is a deficient number, since it is larger than the sum of its proper divisors (205586019).

616412157 is a wasteful number, since it uses less digits than its factorization.

616412157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28827.

The product of its digits is 10080, while the sum is 33.

The square root of 616412157 is about 24827.6490429521. The cubic root of 616412157 is about 851.0538978283.

The spelling of 616412157 in words is "six hundred sixteen million, four hundred twelve thousand, one hundred fifty-seven".