3618345653128 has 16 divisors (see below), whose sum is σ = 6786483730380. Its totient is φ = 1808616658368.

The previous prime is 3618345653101. The next prime is 3618345653137. The reversal of 3618345653128 is 8213565438163.

It can be written as a sum of positive squares in 2 ways, for example, as 3207974730724 + 410370922404 = 1791082^2 + 640602^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69493375 + ... + 69545422.

Almost surely, 2^{3618345653128} is an apocalyptic number.

It is an amenable number.

3618345653128 is a deficient number, since it is larger than the sum of its proper divisors (3168138077252).

3618345653128 is a wasteful number, since it uses less digits than its factorization.

3618345653128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139042056 (or 139042052 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 55.

The spelling of 3618345653128 in words is "three trillion, six hundred eighteen billion, three hundred forty-five million, six hundred fifty-three thousand, one hundred twenty-eight".