3618105975 has 144 divisors (see below), whose sum is σ = 7588264320. Its totient is φ = 1692835200.

The previous prime is 3618105961. The next prime is 3618105983. The reversal of 3618105975 is 5795018163.

It is a happy number.

3618105975 is a `hidden beast` number, since 36 + 18 + 10 + 597 + 5 = 666.

It is not a de Polignac number, because 3618105975 - 2⁷ = 3618105847 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 3618105975.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1936992 + ... + 1938858.

It is an arithmetic number, because the mean of its divisors is an integer number (52696280).

Almost surely, 2^3618105975 is an apocalyptic number.

3618105975 is an abundant number, since it is smaller than the sum of its proper divisors (3970158345).

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

3618105975 is a wasteful number, since it uses less digits than its factorization.

3618105975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932 (or 1915 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The square root of 3618105975 is about 60150.6938862720. The cubic root of 3618105975 is about 1535.1839728284.

The spelling of 3618105975 in words is "three billion, six hundred eighteen million, one hundred five thousand, nine hundred seventy-five".