163543363446416 has 10 divisors (see below), whose sum is σ = 316865266677462. Its totient is φ = 81771681723200.

The previous prime is 163543363446389. The next prime is 163543363446467. The reversal of 163543363446416 is 614644363345361.

It can be written as a sum of positive squares in only one way, i.e., 162032430806416 + 1510932640000 = 12729196^2 + 1229200^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110730107685 + ... + 5110730107716.

Almost surely, 2^{163543363446416} is an apocalyptic number.

163543363446416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

163543363446416 is a deficient number, since it is larger than the sum of its proper divisors (153321903231046).

163543363446416 is a wasteful number, since it uses less digits than its factorization.

163543363446416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10221460215409 (or 10221460215403 counting only the distinct ones).

The product of its digits is 134369280, while the sum is 59.

The spelling of 163543363446416 in words is "one hundred sixty-three trillion, five hundred forty-three billion, three hundred sixty-three million, four hundred forty-six thousand, four hundred sixteen".