16161202 has 4 divisors (see below), whose sum is σ = 24241806. Its totient is φ = 8080600.

The previous prime is 16161181. The next prime is 16161209. The reversal of 16161202 is 20216161.

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., 9916201 + 6245001 = 3149^2 + 2499^2 .

It is a super-2 number, since 2×16161202² = 522368900169608, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16161202.

It is not an unprimeable number, because it can be changed into a prime (16161209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4040299 + ... + 4040302.

Almost surely, 2^16161202 is an apocalyptic number.

16161202 is a deficient number, since it is larger than the sum of its proper divisors (8080604).

16161202 is an equidigital number, since it uses as much as digits as its factorization.

16161202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8080603.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 16161202 is about 4020.0997500062. The cubic root of 16161202 is about 252.8276412019.

Adding to 16161202 its reverse (20216161), we get a palindrome (36377363).

The spelling of 16161202 in words is "sixteen million, one hundred sixty-one thousand, two hundred two".