1618874745873 has 16 divisors (see below), whose sum is σ = 2691116461056. Its totient is φ = 840973893840.

The previous prime is 1618874745853. The next prime is 1618874745911. The reversal of 1618874745873 is 3785474788161.

It is not a de Polignac number, because 1618874745873 - 2²² = 1618870551569 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1618874745798 and 1618874745807.

It is not an unprimeable number, because it can be changed into a prime (1618874745823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3504057661 + ... + 3504058122.

It is an arithmetic number, because the mean of its divisors is an integer number (168194778816).

Almost surely, 2^{1618874745873} is an apocalyptic number.

It is an amenable number.

1618874745873 is a deficient number, since it is larger than the sum of its proper divisors (1072241715183).

1618874745873 is a wasteful number, since it uses less digits than its factorization.

1618874745873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7008115804.

The product of its digits is 252887040, while the sum is 69.

The spelling of 1618874745873 in words is "one trillion, six hundred eighteen billion, eight hundred seventy-four million, seven hundred forty-five thousand, eight hundred seventy-three".