238916167697 has 8 divisors (see below), whose sum is σ = 241072345800. Its totient is φ = 236760724480.

The previous prime is 238916167691. The next prime is 238916167733. The reversal of 238916167697 is 796761619832.

It can be written as a sum of positive squares in 4 ways, for example, as 8051293441 + 230864874256 = 89729^2 + 480484^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238916167697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238916167691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480197 + ... + 841677.

It is an arithmetic number, because the mean of its divisors is an integer number (30134043225).

Almost surely, 2^238916167697 is an apocalyptic number.

It is an amenable number.

238916167697 is a deficient number, since it is larger than the sum of its proper divisors (2156178103).

238916167697 is a wasteful number, since it uses less digits than its factorization.

238916167697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367443.

The product of its digits is 41150592, while the sum is 65.

The spelling of 238916167697 in words is "two hundred thirty-eight billion, nine hundred sixteen million, one hundred sixty-seven thousand, six hundred ninety-seven".