3551188481864 has 16 divisors (see below), whose sum is σ = 6813326739120. Its totient is φ = 1734301351440.

The previous prime is 3551188481857. The next prime is 3551188481903. The reversal of 3551188481864 is 4681848811553.

It is a happy number.

It is a super-2 number, since 2×3551188481864² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3551188481797 and 3551188481806.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5161610822 + ... + 5161611509.

It is an arithmetic number, because the mean of its divisors is an integer number (425832921195).

Almost surely, 2^{3551188481864} is an apocalyptic number.

It is an amenable number.

3551188481864 is a deficient number, since it is larger than the sum of its proper divisors (3262138257256).

3551188481864 is a wasteful number, since it uses less digits than its factorization.

3551188481864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10323222380 (or 10323222376 counting only the distinct ones).

The product of its digits is 29491200, while the sum is 62.

The spelling of 3551188481864 in words is "three trillion, five hundred fifty-one billion, one hundred eighty-eight million, four hundred eighty-one thousand, eight hundred sixty-four".