163434046363256 has 16 divisors (see below), whose sum is σ = 306439084631400. Its totient is φ = 81716957128224.

The previous prime is 163434046363249. The next prime is 163434046363331. The reversal of 163434046363256 is 652363640434361.

It is a super-3 number, since 3×163434046363256³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3192935 + ... + 18359273.

Almost surely, 2^{163434046363256} is an apocalyptic number.

It is an amenable number.

163434046363256 is a deficient number, since it is larger than the sum of its proper divisors (143005038268144).

163434046363256 is a wasteful number, since it uses less digits than its factorization.

163434046363256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16513358 (or 16513354 counting only the distinct ones).

The product of its (nonzero) digits is 67184640, while the sum is 56.

The spelling of 163434046363256 in words is "one hundred sixty-three trillion, four hundred thirty-four billion, forty-six million, three hundred sixty-three thousand, two hundred fifty-six".