238435691916 has 24 divisors (see below), whose sum is σ = 568187182080. Its totient is φ = 77787530512.

The previous prime is 238435691903. The next prime is 238435691933. The reversal of 238435691916 is 619196534832.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211378596 + ... + 211379723.

It is an arithmetic number, because the mean of its divisors is an integer number (23674465920).

Almost surely, 2^238435691916 is an apocalyptic number.

It is an amenable number.

238435691916 is an abundant number, since it is smaller than the sum of its proper divisors (329751490164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

238435691916 is a wasteful number, since it uses less digits than its factorization.

238435691916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422758373 (or 422758371 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 57.

The spelling of 238435691916 in words is "two hundred thirty-eight billion, four hundred thirty-five million, six hundred ninety-one thousand, nine hundred sixteen".