3556725818 has 8 divisors (see below), whose sum is σ = 5339727360. Its totient is φ = 1776816700.

The previous prime is 3556725811. The next prime is 3556725847. The reversal of 3556725818 is 8185276553.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3556725811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 770228 + ... + 774831.

It is an arithmetic number, because the mean of its divisors is an integer number (667465920).

Almost surely, 2^3556725818 is an apocalyptic number.

3556725818 is a deficient number, since it is larger than the sum of its proper divisors (1783001542).

3556725818 is a wasteful number, since it uses less digits than its factorization.

3556725818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546212.

The product of its digits is 2016000, while the sum is 50.

The square root of 3556725818 is about 59638.2915415926. The cubic root of 3556725818 is about 1526.4530903806.

The spelling of 3556725818 in words is "three billion, five hundred fifty-six million, seven hundred twenty-five thousand, eight hundred eighteen".