1618874744766 has 32 divisors (see below), whose sum is σ = 3249658782240. Its totient is φ = 537640298496.

The previous prime is 1618874744759. The next prime is 1618874744801. The reversal of 1618874744766 is 6674474788161.

It is a self number, because there is not a number n which added to its sum of digits gives 1618874744766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36756390 + ... + 36800406.

It is an arithmetic number, because the mean of its divisors is an integer number (101551836945).

Almost surely, 2^{1618874744766} is an apocalyptic number.

1618874744766 is an abundant number, since it is smaller than the sum of its proper divisors (1630784037474).

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

1618874744766 is a wasteful number, since it uses less digits than its factorization.

1618874744766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66428.

The product of its digits is 303464448, while the sum is 69.

The spelling of 1618874744766 in words is "one trillion, six hundred eighteen billion, eight hundred seventy-four million, seven hundred forty-four thousand, seven hundred sixty-six".