163553741910 has 48 divisors (see below), whose sum is σ = 457950480624. Its totient is φ = 40259382336.

The previous prime is 163553741909. The next prime is 163553741959. The reversal of 163553741910 is 19147355361.

163553741910 is a `hidden beast` number, since 1 + 6 + 3 + 553 + 7 + 4 + 1 + 91 + 0 = 666.

163553741910 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69893592 + ... + 69895931.

It is an arithmetic number, because the mean of its divisors is an integer number (9540635013).

Almost surely, 2^163553741910 is an apocalyptic number.

163553741910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163553741910 is an abundant number, since it is smaller than the sum of its proper divisors (294396738714).

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

163553741910 is a wasteful number, since it uses less digits than its factorization.

163553741910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139789549 (or 139789546 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The spelling of 163553741910 in words is "one hundred sixty-three billion, five hundred fifty-three million, seven hundred forty-one thousand, nine hundred ten".