616453653523700 has 144 divisors (see below), whose sum is σ = 1447808865552000. Its totient is φ = 227126533455360.

The previous prime is 616453653523691. The next prime is 616453653523703. The reversal of 616453653523700 is 7325356354616.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616453653523703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13086446 + ... + 37472154.

It is an arithmetic number, because the mean of its divisors is an integer number (10054228233000).

Almost surely, 2^{616453653523700} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 616453653523700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (723904432776000).

616453653523700 is an abundant number, since it is smaller than the sum of its proper divisors (831355212028300).

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

616453653523700 is a wasteful number, since it uses less digits than its factorization.

616453653523700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24386154 (or 24386147 counting only the distinct ones).

The product of its (nonzero) digits is 40824000, while the sum is 56.

The spelling of 616453653523700 in words is "six hundred sixteen trillion, four hundred fifty-three billion, six hundred fifty-three million, five hundred twenty-three thousand, seven hundred".