163299327946 has 4 divisors (see below), whose sum is σ = 244948991922. Its totient is φ = 81649663972.

The previous prime is 163299327941. The next prime is 163299327973. The reversal of 163299327946 is 649723992361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 101021629921 + 62277698025 = 317839^2 + 249555^2 .

It is a super-4 number, since 4×163299327946⁴ (a number of 46 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (163299327941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40824831985 + ... + 40824831988.

Almost surely, 2^163299327946 is an apocalyptic number.

163299327946 is a deficient number, since it is larger than the sum of its proper divisors (81649663976).

163299327946 is an equidigital number, since it uses as much as digits as its factorization.

163299327946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81649663975.

The product of its digits is 26453952, while the sum is 61.

The spelling of 163299327946 in words is "one hundred sixty-three billion, two hundred ninety-nine million, three hundred twenty-seven thousand, nine hundred forty-six".