160996522 has 4 divisors (see below), whose sum is σ = 241494786. Its totient is φ = 80498260.

The previous prime is 160996513. The next prime is 160996523. The reversal of 160996522 is 225699061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 225699061 = 7 ⋅32242723.

It can be written as a sum of positive squares in only one way, i.e., 123676641 + 37319881 = 11121^2 + 6109^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (160996523) by changing a digit.

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 as a sum of consecutive naturals, namely, 40249129 + ... + 40249132.

Almost surely, 2^160996522 is an apocalyptic number.

160996522 is a deficient number, since it is larger than the sum of its proper divisors (80498264).

160996522 is an equidigital number, since it uses as much as digits as its factorization.

160996522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80498263.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 160996522 is about 12688.4404873097. The cubic root of 160996522 is about 544.0082651750.

The spelling of 160996522 in words is "one hundred sixty million, nine hundred ninety-six thousand, five hundred twenty-two".