1921839161062 has 12 divisors (see below), whose sum is σ = 3013545529260. Its totient is φ = 919140467828.

The previous prime is 1921839161009. The next prime is 1921839161087. The reversal of 1921839161062 is 2601619381291.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1921839160997 and 1921839161015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 908240512 + ... + 908242627.

It is an arithmetic number, because the mean of its divisors is an integer number (251128794105).

Almost surely, 2^{1921839161062} is an apocalyptic number.

1921839161062 is a deficient number, since it is larger than the sum of its proper divisors (1091706368198).

1921839161062 is a wasteful number, since it uses less digits than its factorization.

1921839161062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816483187 (or 1816483164 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 49.

The spelling of 1921839161062 in words is "one trillion, nine hundred twenty-one billion, eight hundred thirty-nine million, one hundred sixty-one thousand, sixty-two".