163401606055 has 8 divisors (see below), whose sum is σ = 196129395072. Its totient is φ = 130689639648.

The previous prime is 163401606029. The next prime is 163401606101. The reversal of 163401606055 is 550606104361.

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

It is a cyclic number.

It is not a de Polignac number, because 163401606055 - 2¹¹ = 163401604007 is a prime.

It is a super-2 number, since 2×163401606055² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3932919 + ... + 3974248.

It is an arithmetic number, because the mean of its divisors is an integer number (24516174384).

Almost surely, 2^163401606055 is an apocalyptic number.

163401606055 is a deficient number, since it is larger than the sum of its proper divisors (32727789017).

163401606055 is an equidigital number, since it uses as much as digits as its factorization.

163401606055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7911305.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 163401606055 in words is "one hundred sixty-three billion, four hundred one million, six hundred six thousand, fifty-five".