161330348433 has 8 divisors (see below), whose sum is σ = 215109418048. Its totient is φ = 107552422224.

The previous prime is 161330348423. The next prime is 161330348503. The reversal of 161330348433 is 334843033161.

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

It is not a de Polignac number, because 161330348433 - 2⁵ = 161330348401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 161330348391 and 161330348400.

It is not an unprimeable number, because it can be changed into a prime (161330348423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129660 + ... + 582642.

It is an arithmetic number, because the mean of its divisors is an integer number (26888677256).

Almost surely, 2^161330348433 is an apocalyptic number.

It is an amenable number.

161330348433 is a deficient number, since it is larger than the sum of its proper divisors (53779069615).

161330348433 is a wasteful number, since it uses less digits than its factorization.

161330348433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571703.

The product of its (nonzero) digits is 186624, while the sum is 39.

The spelling of 161330348433 in words is "one hundred sixty-one billion, three hundred thirty million, three hundred forty-eight thousand, four hundred thirty-three".