616311651451120 has 40 divisors (see below), whose sum is σ = 1456415156678400. Its totient is φ = 242483272700160.

The previous prime is 616311651451091. The next prime is 616311651451151. The reversal of 616311651451120 is 21154156113616.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63146680720 + ... + 63146690479.

It is an arithmetic number, because the mean of its divisors is an integer number (36410378916960).

Almost surely, 2^{616311651451120} is an apocalyptic number.

It is an amenable number.

616311651451120 is an abundant number, since it is smaller than the sum of its proper divisors (840103505227280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

616311651451120 is a wasteful number, since it uses less digits than its factorization.

616311651451120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126293371273 (or 126293371267 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 43.

The spelling of 616311651451120 in words is "six hundred sixteen trillion, three hundred eleven billion, six hundred fifty-one million, four hundred fifty-one thousand, one hundred twenty".