161024535 has 72 divisors (see below), whose sum is σ = 328292640. Its totient is φ = 72793728.

The previous prime is 161024533. The next prime is 161024543. The reversal of 161024535 is 535420161.

161024535 is a `hidden beast` number, since 1 + 610 + 2 + 45 + 3 + 5 = 666.

It is not a de Polignac number, because 161024535 - 2¹ = 161024533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 161024499 and 161024508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161024531) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 226761 + ... + 227469.

It is an arithmetic number, because the mean of its divisors is an integer number (4559620).

Almost surely, 2^161024535 is an apocalyptic number.

161024535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

161024535 is an abundant number, since it is smaller than the sum of its proper divisors (167268105).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161024535 is a wasteful number, since it uses less digits than its factorization.

161024535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837 (or 827 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 161024535 is about 12689.5443180597. The cubic root of 161024535 is about 544.0398153799.

Adding to 161024535 its reverse (535420161), we get a palindrome (696444696).

The spelling of 161024535 in words is "one hundred sixty-one million, twenty-four thousand, five hundred thirty-five".