616487357 has 16 divisors (see below), whose sum is σ = 666361920. Its totient is φ = 568425600.

The previous prime is 616487341. The next prime is 616487369. The reversal of 616487357 is 753784616.

It is a cyclic number.

It is not a de Polignac number, because 616487357 - 2⁴ = 616487341 is a prime.

It is a super-2 number, since 2×616487357² = 760113322681690898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616487387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 476882 + ... + 478172.

It is an arithmetic number, because the mean of its divisors is an integer number (41647620).

Almost surely, 2^616487357 is an apocalyptic number.

It is an amenable number.

616487357 is a deficient number, since it is larger than the sum of its proper divisors (49874563).

616487357 is a wasteful number, since it uses less digits than its factorization.

616487357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964.

The product of its digits is 846720, while the sum is 47.

The square root of 616487357 is about 24829.1634373774. The cubic root of 616487357 is about 851.0885048954.

The spelling of 616487357 in words is "six hundred sixteen million, four hundred eighty-seven thousand, three hundred fifty-seven".