238730951666 has 8 divisors (see below), whose sum is σ = 358110147504. Its totient is φ = 119360902500.

The previous prime is 238730951659. The next prime is 238730951749. The reversal of 238730951666 is 666159037832.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2221040 + ... + 2326043.

It is an arithmetic number, because the mean of its divisors is an integer number (44763768438).

Almost surely, 2^238730951666 is an apocalyptic number.

238730951666 is a deficient number, since it is larger than the sum of its proper divisors (119379195838).

238730951666 is a wasteful number, since it uses less digits than its factorization.

238730951666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4573336.

The product of its (nonzero) digits is 9797760, while the sum is 56.

The spelling of 238730951666 in words is "two hundred thirty-eight billion, seven hundred thirty million, nine hundred fifty-one thousand, six hundred sixty-six".