161496392 has 12 divisors (see below), whose sum is σ = 302873145. Its totient is φ = 80730224.

The previous prime is 161496373. The next prime is 161496397. The reversal of 161496392 is 293694161.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 90364036 + 71132356 = 9506^2 + 8434^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=8986.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161496397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 33698 + ... + 38190.

Almost surely, 2^161496392 is an apocalyptic number.

It is an amenable number.

161496392 is a deficient number, since it is larger than the sum of its proper divisors (141376753).

161496392 is an frugal number, since it uses more digits than its factorization.

161496392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8992 (or 4495 counting only the distinct ones).

The product of its digits is 69984, while the sum is 41.

The square root of 161496392 is about 12708.1230714846. The cubic root of 161496392 is about 544.5707047755.

The spelling of 161496392 in words is "one hundred sixty-one million, four hundred ninety-six thousand, three hundred ninety-two".