1896766676981 has 12 divisors (see below), whose sum is σ = 2085305314092. Its totient is φ = 1723978080000.

The previous prime is 1896766676971. The next prime is 1896766676999.

1896766676981 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 1632811174225 + 263955502756 = 1277815^2 + 513766^2 .

It is not a de Polignac number, because 1896766676981 - 2¹⁰ = 1896766675957 is a prime.

It is a super-2 number, since 2×1896766676981² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1896766676896 and 1896766676905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1896766676921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1024220 + ... + 2200581.

It is an arithmetic number, because the mean of its divisors is an integer number (173775442841).

Almost surely, 2^{1896766676981} is an apocalyptic number.

1896766676981 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1896766676981 is a deficient number, since it is larger than the sum of its proper divisors (188538637111).

1896766676981 is a wasteful number, since it uses less digits than its factorization.

1896766676981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3229684 (or 3229673 counting only the distinct ones).

The product of its digits is 1975228416, while the sum is 80.

The spelling of 1896766676981 in words is "one trillion, eight hundred ninety-six billion, seven hundred sixty-six million, six hundred seventy-six thousand, nine hundred eighty-one".