238102066 has 4 divisors (see below), whose sum is σ = 357153102. Its totient is φ = 119051032.

The previous prime is 238102057. The next prime is 238102079. The reversal of 238102066 is 660201832.

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., 232715025 + 5387041 = 15255^2 + 2321^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59525515 + ... + 59525518.

Almost surely, 2^238102066 is an apocalyptic number.

238102066 is a deficient number, since it is larger than the sum of its proper divisors (119051036).

238102066 is a wasteful number, since it uses less digits than its factorization.

238102066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119051035.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 238102066 is about 15430.5562440244. The cubic root of 238102066 is about 619.8040188758.

Adding to 238102066 its reverse (660201832), we get a palindrome (898303898).

The spelling of 238102066 in words is "two hundred thirty-eight million, one hundred two thousand, sixty-six".