163106214343256 has 8 divisors (see below), whose sum is σ = 305824151893620. Its totient is φ = 81553107171624.

The previous prime is 163106214343243. The next prime is 163106214343349. The reversal of 163106214343256 is 652343412601361.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 163106214343256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10194138396446 + ... + 10194138396461.

Almost surely, 2^{163106214343256} is an apocalyptic number.

It is an amenable number.

163106214343256 is a deficient number, since it is larger than the sum of its proper divisors (142717937550364).

163106214343256 is a wasteful number, since it uses less digits than its factorization.

163106214343256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20388276792913 (or 20388276792909 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 47.

The spelling of 163106214343256 in words is "one hundred sixty-three trillion, one hundred six billion, two hundred fourteen million, three hundred forty-three thousand, two hundred fifty-six".