161884003963 has 8 divisors (see below), whose sum is σ = 176628193200. Its totient is φ = 147144391680.

The previous prime is 161884003891. The next prime is 161884004053. The reversal of 161884003963 is 369300488161.

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

It is not a de Polignac number, because 161884003963 - 2⁹ = 161884003451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161884003663) 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, 1070070 + ... + 1211947.

It is an arithmetic number, because the mean of its divisors is an integer number (22078524150).

Almost surely, 2^161884003963 is an apocalyptic number.

161884003963 is a deficient number, since it is larger than the sum of its proper divisors (14744189237).

161884003963 is a wasteful number, since it uses less digits than its factorization.

161884003963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288477.

The product of its (nonzero) digits is 746496, while the sum is 49.

The spelling of 161884003963 in words is "one hundred sixty-one billion, eight hundred eighty-four million, three thousand, nine hundred sixty-three".