161384483 has 4 divisors (see below), whose sum is σ = 173798688. Its totient is φ = 148970280.

The previous prime is 161384471. The next prime is 161384521. The reversal of 161384483 is 384483161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 384483161 = 797 ⋅482413.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-161384483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161384183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6207083 + ... + 6207108.

It is an arithmetic number, because the mean of its divisors is an integer number (43449672).

Almost surely, 2^161384483 is an apocalyptic number.

161384483 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

161384483 is a deficient number, since it is larger than the sum of its proper divisors (12414205).

161384483 is a wasteful number, since it uses less digits than its factorization.

161384483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12414204.

The product of its digits is 55296, while the sum is 38.

The square root of 161384483 is about 12703.7192585479. The cubic root of 161384483 is about 544.4448888685. Note that the first 3 decimals are identical.

The spelling of 161384483 in words is "one hundred sixty-one million, three hundred eighty-four thousand, four hundred eighty-three".