230738927666 has 48 divisors (see below), whose sum is σ = 396171296136. Its totient is φ = 100173778944.

The previous prime is 230738927651. The next prime is 230738927681. The reversal of 230738927666 is 666729837032.

It is an interprime number because it is at equal distance from previous prime (230738927651) and next prime (230738927681).

It can be written as a sum of positive squares in 12 ways, for example, as 65931346441 + 164807581225 = 256771^2 + 405965^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14997770 + ... + 15013146.

Almost surely, 2^230738927666 is an apocalyptic number.

230738927666 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

230738927666 is a deficient number, since it is larger than the sum of its proper divisors (165432368470).

230738927666 is a wasteful number, since it uses less digits than its factorization.

230738927666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17423 (or 17406 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 59.

The spelling of 230738927666 in words is "two hundred thirty billion, seven hundred thirty-eight million, nine hundred twenty-seven thousand, six hundred sixty-six".