161411052 has 24 divisors (see below), whose sum is σ = 410864832. Its totient is φ = 48912400.

The previous prime is 161411027. The next prime is 161411087. The reversal of 161411052 is 250114161.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611274 + ... + 611537.

It is an arithmetic number, because the mean of its divisors is an integer number (17119368).

Almost surely, 2^161411052 is an apocalyptic number.

161411052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

161411052 is an abundant number, since it is smaller than the sum of its proper divisors (249453780).

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

161411052 is a wasteful number, since it uses less digits than its factorization.

161411052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222829 (or 1222827 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 161411052 is about 12704.7649328903. The cubic root of 161411052 is about 544.4747648562.

The spelling of 161411052 in words is "one hundred sixty-one million, four hundred eleven thousand, fifty-two".