1481998766841 has 6 divisors (see below), whose sum is σ = 2140664885450. Its totient is φ = 987999177888.

The previous prime is 1481998766771. The next prime is 1481998766861. The reversal of 1481998766841 is 1486678991841.

1481998766841 is a `hidden beast` number, since 1 + 481 + 9 + 9 + 8 + 7 + 66 + 84 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1468893096441 + 13105670400 = 1211979^2 + 114480^2 .

It is not a de Polignac number, because 1481998766841 - 2⁷ = 1481998766713 is a prime.

It is a super-2 number, since 2×1481998766841² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1481998766841.

It is not an unprimeable number, because it can be changed into a prime (1481998766861) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82333264816 + ... + 82333264833.

Almost surely, 2^{1481998766841} is an apocalyptic number.

It is an amenable number.

1481998766841 is a deficient number, since it is larger than the sum of its proper divisors (658666118609).

1481998766841 is a wasteful number, since it uses less digits than its factorization.

1481998766841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164666529655 (or 164666529652 counting only the distinct ones).

The product of its digits is 167215104, while the sum is 72.

The spelling of 1481998766841 in words is "one trillion, four hundred eighty-one billion, nine hundred ninety-eight million, seven hundred sixty-six thousand, eight hundred forty-one".