163268553066 has 64 divisors (see below), whose sum is σ = 343647387648. Its totient is φ = 51612156288.

The previous prime is 163268553059. The next prime is 163268553101. The reversal of 163268553066 is 660355862361.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43339915 + ... + 43343681.

It is an arithmetic number, because the mean of its divisors is an integer number (5369490432).

Almost surely, 2^163268553066 is an apocalyptic number.

163268553066 is an abundant number, since it is smaller than the sum of its proper divisors (180378834582).

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

163268553066 is a wasteful number, since it uses less digits than its factorization.

163268553066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6395.

The product of its (nonzero) digits is 4665600, while the sum is 51.

The spelling of 163268553066 in words is "one hundred sixty-three billion, two hundred sixty-eight million, five hundred fifty-three thousand, sixty-six".