161733038 has 4 divisors (see below), whose sum is σ = 242599560. Its totient is φ = 80866518.

The previous prime is 161733007. The next prime is 161733059. The reversal of 161733038 is 830337161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 830337161 = 4951 ⋅167711.

It is a junction number, because it is equal to n+sod(n) for n = 161732995 and 161733013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40433258 + ... + 40433261.

It is an arithmetic number, because the mean of its divisors is an integer number (60649890).

Almost surely, 2^161733038 is an apocalyptic number.

161733038 is a deficient number, since it is larger than the sum of its proper divisors (80866522).

161733038 is an equidigital number, since it uses as much as digits as its factorization.

161733038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80866521.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 161733038 is about 12717.4304794640. The cubic root of 161733038 is about 544.8365674418.

The spelling of 161733038 in words is "one hundred sixty-one million, seven hundred thirty-three thousand, thirty-eight".