2193831941066 has 8 divisors (see below), whose sum is σ = 3290841821124. Its totient is φ = 1096884667360.

The previous prime is 2193831941029. The next prime is 2193831941101. The reversal of 2193831941066 is 6601491383912.

It can be written as a sum of positive squares in 2 ways, for example, as 1660822435441 + 533009505625 = 1288729^2 + 730075^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2193831940999 and 2193831941017.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15563885 + ... + 15704208.

Almost surely, 2^{2193831941066} is an apocalyptic number.

2193831941066 is a deficient number, since it is larger than the sum of its proper divisors (1097009880058).

2193831941066 is a wasteful number, since it uses less digits than its factorization.

2193831941066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31303176.

The product of its (nonzero) digits is 1679616, while the sum is 53.

The spelling of 2193831941066 in words is "two trillion, one hundred ninety-three billion, eight hundred thirty-one million, nine hundred forty-one thousand, sixty-six".