161413546 has 24 divisors (see below), whose sum is σ = 282898980. Its totient is φ = 68870592.

The previous prime is 161413543. The next prime is 161413561. The reversal of 161413546 is 645314161.

It can be written as a sum of positive squares in 2 ways, for example, as 152646025 + 8767521 = 12355^2 + 2961^2 .

It is not an unprimeable number, because it can be changed into a prime (161413541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19300 + ... + 26368.

Almost surely, 2^161413546 is an apocalyptic number.

161413546 is a deficient number, since it is larger than the sum of its proper divisors (121485434).

161413546 is a wasteful number, since it uses less digits than its factorization.

161413546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7318 (or 7311 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 161413546 is about 12704.8630846617. The cubic root of 161413546 is about 544.4775691108.

The spelling of 161413546 in words is "one hundred sixty-one million, four hundred thirteen thousand, five hundred forty-six".