40162663 has 2 divisors, whose sum is σ = 40162664. Its totient is φ = 40162662.

The previous prime is 40162643. The next prime is 40162673. The reversal of 40162663 is 36626104.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40162663 is a prime.

It is a super-2 number, since 2×40162663² = 3226078998503138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40162613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20081331 + 20081332.

It is an arithmetic number, because the mean of its divisors is an integer number (20081332).

Almost surely, 2^40162663 is an apocalyptic number.

40162663 is a deficient number, since it is larger than the sum of its proper divisors (1).

40162663 is an equidigital number, since it uses as much as digits as its factorization.

40162663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 40162663 is about 6337.4019124559. The cubic root of 40162663 is about 342.4581453818.

Adding to 40162663 its reverse (36626104), we get a palindrome (76788767).

The spelling of 40162663 in words is "forty million, one hundred sixty-two thousand, six hundred sixty-three".