163466655 has 16 divisors (see below), whose sum is σ = 285323904. Its totient is φ = 79256480.

The previous prime is 163466621. The next prime is 163466659. The reversal of 163466655 is 556664361.

It is not a de Polignac number, because 163466655 - 2¹⁴ = 163450271 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163466659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495189 + ... + 495518.

It is an arithmetic number, because the mean of its divisors is an integer number (17832744).

Almost surely, 2^163466655 is an apocalyptic number.

163466655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

163466655 is a deficient number, since it is larger than the sum of its proper divisors (121857249).

163466655 is a wasteful number, since it uses less digits than its factorization.

163466655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990726.

The product of its digits is 388800, while the sum is 42.

The square root of 163466655 is about 12785.4078933759. The cubic root of 163466655 is about 546.7763546918.

The spelling of 163466655 in words is "one hundred sixty-three million, four hundred sixty-six thousand, six hundred fifty-five".