1618338696125 has 32 divisors (see below), whose sum is σ = 2101842812160. Its totient is φ = 1242541473600.

The previous prime is 1618338696103. The next prime is 1618338696127. The reversal of 1618338696125 is 5216968338161.

It is a happy number.

It is not a de Polignac number, because 1618338696125 - 2⁶ = 1618338696061 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1618338696127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 731267 + ... + 1942016.

It is an arithmetic number, because the mean of its divisors is an integer number (65682587880).

Almost surely, 2^{1618338696125} is an apocalyptic number.

It is an amenable number.

1618338696125 is a deficient number, since it is larger than the sum of its proper divisors (483504116035).

1618338696125 is a wasteful number, since it uses less digits than its factorization.

1618338696125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673494 (or 2673484 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 59.

The spelling of 1618338696125 in words is "one trillion, six hundred eighteen billion, three hundred thirty-eight million, six hundred ninety-six thousand, one hundred twenty-five".