163958011 has 16 divisors (see below), whose sum is σ = 201836800. Its totient is φ = 130038048.

The previous prime is 163957999. The next prime is 163958017. The reversal of 163958011 is 110859361.

It is not a de Polignac number, because 163958011 - 2⁷ = 163957883 is a prime.

It is a super-2 number, since 2×163958011² = 53764458742152242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163958017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8616 + ... + 20053.

It is an arithmetic number, because the mean of its divisors is an integer number (12614800).

Almost surely, 2^163958011 is an apocalyptic number.

163958011 is a deficient number, since it is larger than the sum of its proper divisors (37878789).

163958011 is a wasteful number, since it uses less digits than its factorization.

163958011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28738.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 163958011 is about 12804.6089748965. The cubic root of 163958011 is about 547.3236489918.

The spelling of 163958011 in words is "one hundred sixty-three million, nine hundred fifty-eight thousand, eleven".