616661232224 has 48 divisors (see below), whose sum is σ = 1216670359968. Its totient is φ = 307666225152.

The previous prime is 616661232221. The next prime is 616661232241. The reversal of 616661232224 is 422232166616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616661232221) 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, 34805192 + ... + 34822904.

It is an arithmetic number, because the mean of its divisors is an integer number (25347299166).

Almost surely, 2^616661232224 is an apocalyptic number.

It is an amenable number.

616661232224 is a deficient number, since it is larger than the sum of its proper divisors (600009127744).

616661232224 is a wasteful number, since it uses less digits than its factorization.

616661232224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20007 (or 19999 counting only the distinct ones).

The product of its digits is 248832, while the sum is 41.

The spelling of 616661232224 in words is "six hundred sixteen billion, six hundred sixty-one million, two hundred thirty-two thousand, two hundred twenty-four".