616548749056 has 18 divisors (see below), whose sum is σ = 1230689105072. Its totient is φ = 308274374400.

The previous prime is 616548749051. The next prime is 616548749071. The reversal of 616548749056 is 650947845616.

It is a super-2 number, since 2×616548749056² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 616548748985 and 616548749003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616548749051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1204196520 + ... + 1204197031.

Almost surely, 2^616548749056 is an apocalyptic number.

It is an amenable number.

616548749056 is a deficient number, since it is larger than the sum of its proper divisors (614140356016).

616548749056 is an equidigital number, since it uses as much as digits as its factorization.

616548749056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408393567 (or 2408393553 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 61.

The spelling of 616548749056 in words is "six hundred sixteen billion, five hundred forty-eight million, seven hundred forty-nine thousand, fifty-six".