200162906 has 4 divisors (see below), whose sum is σ = 300244362. Its totient is φ = 100081452.

The previous prime is 200162857. The next prime is 200162917. The reversal of 200162906 is 609261002.

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., 191407225 + 8755681 = 13835^2 + 2959^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50040725 + ... + 50040728.

Almost surely, 2^200162906 is an apocalyptic number.

200162906 is a deficient number, since it is larger than the sum of its proper divisors (100081456).

200162906 is a wasteful number, since it uses less digits than its factorization.

200162906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100081455.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 200162906 is about 14147.8940482321. The cubic root of 200162906 is about 584.9622845629.

It can be divided in two parts, 20016 and 2906, that added together give a palindrome (22922).

The spelling of 200162906 in words is "two hundred million, one hundred sixty-two thousand, nine hundred six".