6616354752 has 420 divisors, whose sum is σ = 23253344400. Its totient is φ = 1859397120.

The previous prime is 6616354751. The next prime is 6616354793. The reversal of 6616354752 is 2574536166.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

6616354752 is a `hidden beast` number, since 6 + 6 + 1 + 635 + 4 + 7 + 5 + 2 = 666.

It is a super-4 number, since 4×6616354752⁴ (a number of 40 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6616354698 and 6616354707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6616354751) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 108464802 + ... + 108464862.

Almost surely, 2^6616354752 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 6616354752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11626672200).

6616354752 is an abundant number, since it is smaller than the sum of its proper divisors (16636989648).

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

6616354752 is an frugal number, since it uses more digits than its factorization.

6616354752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 73 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The square root of 6616354752 is about 81340.9783073698. The cubic root of 6616354752 is about 1877.3255649662.

The spelling of 6616354752 in words is "six billion, six hundred sixteen million, three hundred fifty-four thousand, seven hundred fifty-two".