161153306 has 8 divisors (see below), whose sum is σ = 243127764. Its totient is φ = 80110720.

The previous prime is 161153299. The next prime is 161153309. The reversal of 161153306 is 603351161.

It can be written as a sum of positive squares in 2 ways, for example, as 151905625 + 9247681 = 12325^2 + 3041^2 .

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

It is not an unprimeable number, because it can be changed into a prime (161153309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232535 + ... + 233226.

Almost surely, 2^161153306 is an apocalyptic number.

161153306 is a deficient number, since it is larger than the sum of its proper divisors (81974458).

161153306 is a wasteful number, since it uses less digits than its factorization.

161153306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465936.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 161153306 is about 12694.6172057294. The cubic root of 161153306 is about 544.1847992580.

The spelling of 161153306 in words is "one hundred sixty-one million, one hundred fifty-three thousand, three hundred six".