163457302066 has 8 divisors (see below), whose sum is σ = 245190085164. Its totient is φ = 81727273680.

The previous prime is 163457302051. The next prime is 163457302087. The reversal of 163457302066 is 660203754361.

It can be written as a sum of positive squares in 2 ways, for example, as 162029595841 + 1427706225 = 402529^2 + 37785^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 533325 + ... + 781888.

Almost surely, 2^163457302066 is an apocalyptic number.

163457302066 is a deficient number, since it is larger than the sum of its proper divisors (81732783098).

163457302066 is a wasteful number, since it uses less digits than its factorization.

163457302066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377356.

The product of its (nonzero) digits is 544320, while the sum is 43.

The spelling of 163457302066 in words is "one hundred sixty-three billion, four hundred fifty-seven million, three hundred two thousand, sixty-six".