616706453454 has 128 divisors (see below), whose sum is σ = 1528798537728. Its totient is φ = 161499985920.

The previous prime is 616706453443. The next prime is 616706453483. The reversal of 616706453454 is 454354607616.

It is a junction number, because it is equal to n+sod(n) for n = 616706453397 and 616706453406.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 44939314 + ... + 44953034.

It is an arithmetic number, because the mean of its divisors is an integer number (11943738576).

Almost surely, 2^616706453454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 616706453454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (764399268864).

616706453454 is an abundant number, since it is smaller than the sum of its proper divisors (912092084274).

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

616706453454 is a wasteful number, since it uses less digits than its factorization.

616706453454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14322.

The product of its (nonzero) digits is 7257600, while the sum is 51.

The spelling of 616706453454 in words is "six hundred sixteen billion, seven hundred six million, four hundred fifty-three thousand, four hundred fifty-four".