163402202 has 4 divisors (see below), whose sum is σ = 245103306. Its totient is φ = 81701100.

The previous prime is 163402171. The next prime is 163402247. The reversal of 163402202 is 202204361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 202204361 = 43 ⋅4702427.

It can be written as a sum of positive squares in only one way, i.e., 150087001 + 13315201 = 12251^2 + 3649^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40850549 + ... + 40850552.

Almost surely, 2^163402202 is an apocalyptic number.

163402202 is a deficient number, since it is larger than the sum of its proper divisors (81701104).

163402202 is an equidigital number, since it uses as much as digits as its factorization.

163402202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81701103.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 163402202 is about 12782.8870760873. The cubic root of 163402202 is about 546.7044827267.

Adding to 163402202 its reverse (202204361), we get a palindrome (365606563).

The spelling of 163402202 in words is "one hundred sixty-three million, four hundred two thousand, two hundred two".