1618356136874 has 8 divisors (see below), whose sum is σ = 2427594498720. Its totient is φ = 809157970636.

The previous prime is 1618356136819. The next prime is 1618356136907. The reversal of 1618356136874 is 4786316538161.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9948044 + ... + 10109415.

It is an arithmetic number, because the mean of its divisors is an integer number (303449312340).

Almost surely, 2^{1618356136874} is an apocalyptic number.

1618356136874 is a deficient number, since it is larger than the sum of its proper divisors (809238361846).

1618356136874 is a wasteful number, since it uses less digits than its factorization.

1618356136874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20097804.

The product of its digits is 17418240, while the sum is 59.

The spelling of 1618356136874 in words is "one trillion, six hundred eighteen billion, three hundred fifty-six million, one hundred thirty-six thousand, eight hundred seventy-four".