161496412 has 48 divisors (see below), whose sum is σ = 353928960. Its totient is φ = 62640000.

The previous prime is 161496403. The next prime is 161496437. The reversal of 161496412 is 214694161.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76264 + ... + 78352.

It is an arithmetic number, because the mean of its divisors is an integer number (7373520).

Almost surely, 2^161496412 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 161496412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176964480).

161496412 is an abundant number, since it is smaller than the sum of its proper divisors (192432548).

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

161496412 is a wasteful number, since it uses less digits than its factorization.

161496412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362 (or 2360 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 161496412 is about 12708.1238583829. The cubic root of 161496412 is about 544.5707272557.

The spelling of 161496412 in words is "one hundred sixty-one million, four hundred ninety-six thousand, four hundred twelve".