238391047166 has 8 divisors (see below), whose sum is σ = 360316239624. Its totient is φ = 118285633960.

The previous prime is 238391047109. The next prime is 238391047241. The reversal of 238391047166 is 661740193832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454944485 + ... + 454945008.

It is an arithmetic number, because the mean of its divisors is an integer number (45039529953).

Almost surely, 2^238391047166 is an apocalyptic number.

238391047166 is a deficient number, since it is larger than the sum of its proper divisors (121925192458).

238391047166 is a wasteful number, since it uses less digits than its factorization.

238391047166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909889626.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The spelling of 238391047166 in words is "two hundred thirty-eight billion, three hundred ninety-one million, forty-seven thousand, one hundred sixty-six".