161433527 has 12 divisors (see below), whose sum is σ = 170163120. Its totient is φ = 152861280.

The previous prime is 161433497. The next prime is 161433529. The reversal of 161433527 is 725334161.

It is not a de Polignac number, because 161433527 - 2¹⁰ = 161432503 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 161433493 and 161433502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161433529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 394499 + ... + 394907.

It is an arithmetic number, because the mean of its divisors is an integer number (14180260).

Almost surely, 2^161433527 is an apocalyptic number.

161433527 is a deficient number, since it is larger than the sum of its proper divisors (8729593).

161433527 is an equidigital number, since it uses as much as digits as its factorization.

161433527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694 (or 563 counting only the distinct ones).

The product of its digits is 15120, while the sum is 32.

The square root of 161433527 is about 12705.6494127612. The cubic root of 161433527 is about 544.5000347128.

Adding to 161433527 its reverse (725334161), we get a palindrome (886767688).

The spelling of 161433527 in words is "one hundred sixty-one million, four hundred thirty-three thousand, five hundred twenty-seven".