40169663 has 2 divisors, whose sum is σ = 40169664. Its totient is φ = 40169662.

The previous prime is 40169653. The next prime is 40169711. The reversal of 40169663 is 36696104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40169663 - 2⁸ = 40169407 is a prime.

It is a super-2 number, since 2×40169663² = 3227203651067138, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40169603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20084831 + 20084832.

It is an arithmetic number, because the mean of its divisors is an integer number (20084832).

Almost surely, 2^40169663 is an apocalyptic number.

40169663 is a deficient number, since it is larger than the sum of its proper divisors (1).

40169663 is an equidigital number, since it uses as much as digits as its factorization.

40169663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 40169663 is about 6337.9541651861. The cubic root of 40169663 is about 342.4780400434.

The spelling of 40169663 in words is "forty million, one hundred sixty-nine thousand, six hundred sixty-three".