161012536 has 16 divisors (see below), whose sum is σ = 317788200. Its totient is φ = 76269024.

The previous prime is 161012473. The next prime is 161012539. The reversal of 161012536 is 635210161.

161012536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 161012536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161012539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529495 + ... + 529798.

Almost surely, 2^161012536 is an apocalyptic number.

It is an amenable number.

161012536 is a deficient number, since it is larger than the sum of its proper divisors (156775664).

161012536 is a wasteful number, since it uses less digits than its factorization.

161012536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059318 (or 1059314 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 161012536 is about 12689.0715184366. The cubic root of 161012536 is about 544.0263017128.

Adding to 161012536 its reverse (635210161), we get a palindrome (796222697).

It can be divided in two parts, 1610125 and 36, that added together give a palindrome (1610161).

The spelling of 161012536 in words is "one hundred sixty-one million, twelve thousand, five hundred thirty-six".