161037673 has 8 divisors (see below), whose sum is σ = 169632000. Its totient is φ = 152455248.

The previous prime is 161037671. The next prime is 161037683. The reversal of 161037673 is 376730161.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 161037673 - 2¹ = 161037671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161037671) 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, 43815 + ... + 47347.

It is an arithmetic number, because the mean of its divisors is an integer number (21204000).

Almost surely, 2^161037673 is an apocalyptic number.

It is an amenable number.

161037673 is a deficient number, since it is larger than the sum of its proper divisors (8594327).

161037673 is a wasteful number, since it uses less digits than its factorization.

161037673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5951.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 161037673 is about 12690.0619777840. The cubic root of 161037673 is about 544.0546110562.

The spelling of 161037673 in words is "one hundred sixty-one million, thirty-seven thousand, six hundred seventy-three".