238169659406 has 24 divisors (see below), whose sum is σ = 422394578856. Its totient is φ = 100399385520.

The previous prime is 238169659381. The next prime is 238169659417. The reversal of 238169659406 is 604956961832.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19914536 + ... + 19926491.

It is an arithmetic number, because the mean of its divisors is an integer number (17599774119).

Almost surely, 2^238169659406 is an apocalyptic number.

238169659406 is a deficient number, since it is larger than the sum of its proper divisors (184224919450).

238169659406 is a wasteful number, since it uses less digits than its factorization.

238169659406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39841104 (or 39841097 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 59.

The spelling of 238169659406 in words is "two hundred thirty-eight billion, one hundred sixty-nine million, six hundred fifty-nine thousand, four hundred six".