46666663 has 2 divisors, whose sum is σ = 46666664. Its totient is φ = 46666662.

The previous prime is 46666661. The next prime is 46666681. The reversal of 46666663 is 36666664.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 46666663 - 2¹ = 46666661 is a prime.

Together with 46666661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46666661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23333331 + 23333332.

It is an arithmetic number, because the mean of its divisors is an integer number (23333332).

Almost surely, 2^46666663 is an apocalyptic number.

46666663 is a deficient number, since it is larger than the sum of its proper divisors (1).

46666663 is an equidigital number, since it uses as much as digits as its factorization.

46666663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 43.

The square root of 46666663 is about 6831.3002422672. The cubic root of 46666663 is about 360.0274233225.

Subtracting from 46666663 its reverse (36666664), we obtain a palindrome (9999999).

The spelling of 46666663 in words is "forty-six million, six hundred sixty-six thousand, six hundred sixty-three".