161150505336 has 96 divisors (see below), whose sum is σ = 461327552400. Its totient is φ = 50678369280.

The previous prime is 161150505301. The next prime is 161150505367. The reversal of 161150505336 is 633505051161.

161150505336 is a `hidden beast` number, since 1 + 6 + 115 + 0 + 5 + 0 + 533 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 161150505336.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85290 + ... + 574086.

Almost surely, 2^161150505336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161150505336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230663776200).

161150505336 is an abundant number, since it is smaller than the sum of its proper divisors (300177047064).

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

161150505336 is a wasteful number, since it uses less digits than its factorization.

161150505336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489069 (or 489062 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

Adding to 161150505336 its reverse (633505051161), we get a palindrome (794655556497).

The spelling of 161150505336 in words is "one hundred sixty-one billion, one hundred fifty million, five hundred five thousand, three hundred thirty-six".