5618685072 has 320 divisors, whose sum is σ = 19602745344. Its totient is φ = 1339269120.

The previous prime is 5618685049. The next prime is 5618685091. The reversal of 5618685072 is 2705868165.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16192003 + ... + 16192349.

Almost surely, 2^5618685072 is an apocalyptic number.

5618685072 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5618685072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9801372672).

5618685072 is an abundant number, since it is smaller than the sum of its proper divisors (13984060272).

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

5618685072 is a wasteful number, since it uses less digits than its factorization.

5618685072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726 (or 720 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 48.

The square root of 5618685072 is about 74957.8886575656. Note that the first 3 decimals coincide. The cubic root of 5618685072 is about 1777.7808763673.

The spelling of 5618685072 in words is "five billion, six hundred eighteen million, six hundred eighty-five thousand, seventy-two".