1618120100193 has 4 divisors (see below), whose sum is σ = 2157493466928. Its totient is φ = 1078746733460.

The previous prime is 1618120100183. The next prime is 1618120100239. The reversal of 1618120100193 is 3910010218161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1618120100193 is a prime.

It is a super-3 number, since 3×1618120100193³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1618120100183) by changing a digit.

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, 269686683363 + ... + 269686683368.

It is an arithmetic number, because the mean of its divisors is an integer number (539373366732).

Almost surely, 2^{1618120100193} is an apocalyptic number.

It is an amenable number.

1618120100193 is a deficient number, since it is larger than the sum of its proper divisors (539373366735).

1618120100193 is an equidigital number, since it uses as much as digits as its factorization.

1618120100193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539373366734.

The product of its (nonzero) digits is 2592, while the sum is 33.

The spelling of 1618120100193 in words is "one trillion, six hundred eighteen billion, one hundred twenty million, one hundred thousand, one hundred ninety-three".