163036661161634 has 16 divisors (see below), whose sum is σ = 263916740747520. Its totient is φ = 75090596463120.

The previous prime is 163036661161631. The next prime is 163036661161691. The reversal of 163036661161634 is 436161166630361.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (163036661161631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6545541632 + ... + 6545566539.

It is an arithmetic number, because the mean of its divisors is an integer number (16494796296720).

Almost surely, 2^{163036661161634} is an apocalyptic number.

163036661161634 is a deficient number, since it is larger than the sum of its proper divisors (100880079585886).

163036661161634 is a wasteful number, since it uses less digits than its factorization.

163036661161634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13091108665.

The product of its (nonzero) digits is 5038848, while the sum is 53.

The spelling of 163036661161634 in words is "one hundred sixty-three trillion, thirty-six billion, six hundred sixty-one million, one hundred sixty-one thousand, six hundred thirty-four".