1994960076181 has 8 divisors (see below), whose sum is σ = 1998322530624. Its totient is φ = 1991598430080.

The previous prime is 1994960076143. The next prime is 1994960076217. The reversal of 1994960076181 is 1816700694991.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1994960076181 is a prime.

It is a super-2 number, since 2×1994960076181² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1994960076581) 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, 4843920 + ... + 5239606.

It is an arithmetic number, because the mean of its divisors is an integer number (249790316328).

Almost surely, 2^{1994960076181} is an apocalyptic number.

It is an amenable number.

1994960076181 is a deficient number, since it is larger than the sum of its proper divisors (3362454443).

1994960076181 is an equidigital number, since it uses as much as digits as its factorization.

1994960076181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404171.

The product of its (nonzero) digits is 5878656, while the sum is 61.

The spelling of 1994960076181 in words is "one trillion, nine hundred ninety-four billion, nine hundred sixty million, seventy-six thousand, one hundred eighty-one".