1984337494161 has 8 divisors (see below), whose sum is σ = 2886309082464. Its totient is φ = 1202628784320.

The previous prime is 1984337494159. The next prime is 1984337494163. The reversal of 1984337494161 is 1614947334891.

It is an interprime number because it is at equal distance from previous prime (1984337494159) and next prime (1984337494163).

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

It is not a de Polignac number, because 1984337494161 - 2¹ = 1984337494159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1984337494095 and 1984337494104.

It is not an unprimeable number, because it can be changed into a prime (1984337494163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30065719576 + ... + 30065719641.

It is an arithmetic number, because the mean of its divisors is an integer number (360788635308).

Almost surely, 2^{1984337494161} is an apocalyptic number.

1984337494161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1984337494161 is a deficient number, since it is larger than the sum of its proper divisors (901971588303).

1984337494161 is a wasteful number, since it uses less digits than its factorization.

1984337494161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60131439231.

The product of its digits is 15676416, while the sum is 60.

The spelling of 1984337494161 in words is "one trillion, nine hundred eighty-four billion, three hundred thirty-seven million, four hundred ninety-four thousand, one hundred sixty-one".