161052936 has 96 divisors (see below), whose sum is σ = 457094400. Its totient is φ = 47203200.

The previous prime is 161052907. The next prime is 161052943. The reversal of 161052936 is 639250161.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 161052897 and 161052906.

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, 89130 + ... + 90918.

It is an arithmetic number, because the mean of its divisors is an integer number (4761400).

Almost surely, 2^161052936 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 161052936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228547200).

161052936 is an abundant number, since it is smaller than the sum of its proper divisors (296041464).

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

161052936 is a wasteful number, since it uses less digits than its factorization.

161052936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851 (or 1836 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 161052936 is about 12690.6633396367. The cubic root of 161052936 is about 544.0717988423.

The spelling of 161052936 in words is "one hundred sixty-one million, fifty-two thousand, nine hundred thirty-six".