163081317074 has 32 divisors (see below), whose sum is σ = 266186129664. Its totient is φ = 74484463680.

The previous prime is 163081317037. The next prime is 163081317121. The reversal of 163081317074 is 470713180361.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3870179 + ... + 3912089.

It is an arithmetic number, because the mean of its divisors is an integer number (8318316552).

Almost surely, 2^163081317074 is an apocalyptic number.

163081317074 is a deficient number, since it is larger than the sum of its proper divisors (103104812590).

163081317074 is a wasteful number, since it uses less digits than its factorization.

163081317074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43482.

The product of its (nonzero) digits is 84672, while the sum is 41.

The spelling of 163081317074 in words is "one hundred sixty-three billion, eighty-one million, three hundred seventeen thousand, seventy-four".