163220250662498 has 4 divisors (see below), whose sum is σ = 244830375993750. Its totient is φ = 81610125331248.

The previous prime is 163220250662459. The next prime is 163220250662509. The reversal of 163220250662498 is 894266052022361.

It is a happy number.

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., 123246788145649 + 39973462516849 = 11101657^2 + 6322457^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40805062665623 + ... + 40805062665626.

Almost surely, 2^{163220250662498} is an apocalyptic number.

163220250662498 is a deficient number, since it is larger than the sum of its proper divisors (81610125331252).

163220250662498 is an equidigital number, since it uses as much as digits as its factorization.

163220250662498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81610125331251.

The product of its (nonzero) digits is 14929920, while the sum is 56.

The spelling of 163220250662498 in words is "one hundred sixty-three trillion, two hundred twenty billion, two hundred fifty million, six hundred sixty-two thousand, four hundred ninety-eight".