163306341550 has 24 divisors (see below), whose sum is σ = 331363414152. Its totient is φ = 59384124000.

The previous prime is 163306341547. The next prime is 163306341563. The reversal of 163306341550 is 55143603361.

It is a happy number.

163306341550 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×163306341550² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148459761 + ... + 148460860.

It is an arithmetic number, because the mean of its divisors is an integer number (13806808923).

Almost surely, 2^163306341550 is an apocalyptic number.

163306341550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163306341550 is an abundant number, since it is smaller than the sum of its proper divisors (168057072602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163306341550 is a wasteful number, since it uses less digits than its factorization.

163306341550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296920644 (or 296920639 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 37.

The spelling of 163306341550 in words is "one hundred sixty-three billion, three hundred six million, three hundred forty-one thousand, five hundred fifty".