161030546 has 8 divisors (see below), whose sum is σ = 242486460. Its totient is φ = 80201728.

The previous prime is 161030503. The next prime is 161030557. The reversal of 161030546 is 645030161.

It can be written as a sum of positive squares in 2 ways, for example, as 147889921 + 13140625 = 12161^2 + 3625^2 .

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

It is an unprimeable number.

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, 156131 + ... + 157158.

Almost surely, 2^161030546 is an apocalyptic number.

161030546 is a deficient number, since it is larger than the sum of its proper divisors (81455914).

161030546 is a wasteful number, since it uses less digits than its factorization.

161030546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313548.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 161030546 is about 12689.7811643858. The cubic root of 161030546 is about 544.0465849127.

The spelling of 161030546 in words is "one hundred sixty-one million, thirty thousand, five hundred forty-six".