163706161706 has 32 divisors (see below), whose sum is σ = 282517009920. Its totient is φ = 70629235200.

The previous prime is 163706161699. The next prime is 163706161727. The reversal of 163706161706 is 607161607361.

It is a super-2 number, since 2×163706161706² (a number of 23 digits) contains 22 as substring.

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, 4067315 + ... + 4107366.

It is an arithmetic number, because the mean of its divisors is an integer number (8828656560).

Almost surely, 2^163706161706 is an apocalyptic number.

163706161706 is a deficient number, since it is larger than the sum of its proper divisors (118810848214).

163706161706 is a wasteful number, since it uses less digits than its factorization.

163706161706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8174750.

The product of its (nonzero) digits is 190512, while the sum is 44.

The spelling of 163706161706 in words is "one hundred sixty-three billion, seven hundred six million, one hundred sixty-one thousand, seven hundred six".