163779163004 has 24 divisors (see below), whose sum is σ = 304911443088. Its totient is φ = 76707267840.

The previous prime is 163779162997. The next prime is 163779163027. The reversal of 163779163004 is 400361977361.

It is a super-2 number, since 2×163779163004² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 163779163004.

It is a congruent number.

It is an unprimeable number.

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, 5693039 + ... + 5721734.

It is an arithmetic number, because the mean of its divisors is an integer number (12704643462).

Almost surely, 2^163779163004 is an apocalyptic number.

It is an amenable number.

163779163004 is a deficient number, since it is larger than the sum of its proper divisors (141132280084).

163779163004 is a wasteful number, since it uses less digits than its factorization.

163779163004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11415005 (or 11415003 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 47.

The spelling of 163779163004 in words is "one hundred sixty-three billion, seven hundred seventy-nine million, one hundred sixty-three thousand, four".