161384053 has 4 divisors (see below), whose sum is σ = 161421120. Its totient is φ = 161346988.

The previous prime is 161384017. The next prime is 161384137. The reversal of 161384053 is 350483161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 350483161 = 7 ⋅50069023.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-161384053 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161381053) 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, 10975 + ... + 21052.

It is an arithmetic number, because the mean of its divisors is an integer number (40355280).

Almost surely, 2^161384053 is an apocalyptic number.

It is an amenable number.

161384053 is a deficient number, since it is larger than the sum of its proper divisors (37067).

161384053 is an equidigital number, since it uses as much as digits as its factorization.

161384053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37066.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 161384053 is about 12703.7023343591. The cubic root of 161384053 is about 544.4444053203. Note that the first 4 decimals are identical.

The spelling of 161384053 in words is "one hundred sixty-one million, three hundred eighty-four thousand, fifty-three".