161044607 has 8 divisors (see below), whose sum is σ = 164699136. Its totient is φ = 157399672.

The previous prime is 161044603. The next prime is 161044633. The reversal of 161044607 is 706440161.

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 161044607 - 2² = 161044603 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 161044607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161044603) 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, 39758 + ... + 43620.

It is an arithmetic number, because the mean of its divisors is an integer number (20587392).

Almost surely, 2^161044607 is an apocalyptic number.

161044607 is a deficient number, since it is larger than the sum of its proper divisors (3654529).

161044607 is an equidigital number, since it uses as much as digits as its factorization.

161044607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4797.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 161044607 is about 12690.3351807586. The cubic root of 161044607 is about 544.0624196235.

Adding to 161044607 its reverse (706440161), we get a palindrome (867484768).

The spelling of 161044607 in words is "one hundred sixty-one million, forty-four thousand, six hundred seven".