1918692105714 has 128 divisors (see below), whose sum is σ = 4334751590400. Its totient is φ = 628993149120.

The previous prime is 1918692105709. The next prime is 1918692105773. The reversal of 1918692105714 is 4175012968191.

1918692105714 is a `hidden beast` number, since 1 + 9 + 1 + 8 + 69 + 2 + 1 + 0 + 571 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1243480827 + ... + 1243482369.

It is an arithmetic number, because the mean of its divisors is an integer number (33865246800).

Almost surely, 2^{1918692105714} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1918692105714, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2167375795200).

1918692105714 is an abundant number, since it is smaller than the sum of its proper divisors (2416059484686).

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

1918692105714 is a wasteful number, since it uses less digits than its factorization.

1918692105714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2717 (or 2711 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 54.

The spelling of 1918692105714 in words is "one trillion, nine hundred eighteen billion, six hundred ninety-two million, one hundred five thousand, seven hundred fourteen".