1818374261760 has 880 divisors, whose sum is σ = 7605901062144. Its totient is φ = 406754721792.

The previous prime is 1818374261741. The next prime is 1818374261789. The reversal of 1818374261760 is 671624738181.

1818374261760 is a `hidden beast` number, since 1 + 8 + 1 + 8 + 374 + 261 + 7 + 6 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 1818374261697 and 1818374261706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 136436217 + ... + 136449543.

Almost surely, 2^{1818374261760} is an apocalyptic number.

1818374261760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1818374261760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3802950531072).

1818374261760 is an abundant number, since it is smaller than the sum of its proper divisors (5787526800384).

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

1818374261760 is a wasteful number, since it uses less digits than its factorization.

1818374261760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13418 (or 13391 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The spelling of 1818374261760 in words is "one trillion, eight hundred eighteen billion, three hundred seventy-four million, two hundred sixty-one thousand, seven hundred sixty".