3551706818 has 32 divisors (see below), whose sum is σ = 5854826880. Its totient is φ = 1602524160.

The previous prime is 3551706811. The next prime is 3551706863. The reversal of 3551706818 is 8186071553.

It is a super-2 number, since 2×3551706818² = 25229242642055370248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3551706811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3561896 + ... + 3562892.

It is an arithmetic number, because the mean of its divisors is an integer number (182963340).

Almost surely, 2^3551706818 is an apocalyptic number.

3551706818 is a deficient number, since it is larger than the sum of its proper divisors (2303120062).

3551706818 is a wasteful number, since it uses less digits than its factorization.

3551706818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042.

The product of its (nonzero) digits is 201600, while the sum is 44.

The square root of 3551706818 is about 59596.1980163164. The cubic root of 3551706818 is about 1525.7347448234.

The spelling of 3551706818 in words is "three billion, five hundred fifty-one million, seven hundred six thousand, eight hundred eighteen".