202678066 has 4 divisors (see below), whose sum is σ = 304017102. Its totient is φ = 101339032.

The previous prime is 202678061. The next prime is 202678103. The reversal of 202678066 is 660876202.

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., 187115041 + 15563025 = 13679^2 + 3945^2 .

It is not an unprimeable number, because it can be changed into a prime (202678061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50669515 + ... + 50669518.

Almost surely, 2^202678066 is an apocalyptic number.

202678066 is a deficient number, since it is larger than the sum of its proper divisors (101339036).

202678066 is a wasteful number, since it uses less digits than its factorization.

202678066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101339035.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 202678066 is about 14236.5046974319. The cubic root of 202678066 is about 587.4022203953.

The spelling of 202678066 in words is "two hundred two million, six hundred seventy-eight thousand, sixty-six".