616850487245 has 16 divisors (see below), whose sum is σ = 744069680640. Its totient is φ = 490919553024.

The previous prime is 616850487241. The next prime is 616850487247. The reversal of 616850487245 is 542784058616.

It is a cyclic number.

It is not a de Polignac number, because 616850487245 - 2² = 616850487241 is a prime.

It is a super-2 number, since 2×616850487245² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616850487241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 619277 + ... + 1271693.

It is an arithmetic number, because the mean of its divisors is an integer number (46504355040).

Almost surely, 2^616850487245 is an apocalyptic number.

It is an amenable number.

616850487245 is a deficient number, since it is larger than the sum of its proper divisors (127219193395).

616850487245 is a wasteful number, since it uses less digits than its factorization.

616850487245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653404.

The product of its (nonzero) digits is 12902400, while the sum is 56.

The spelling of 616850487245 in words is "six hundred sixteen billion, eight hundred fifty million, four hundred eighty-seven thousand, two hundred forty-five".