163546580226 has 16 divisors (see below), whose sum is σ = 327153386304. Its totient is φ = 54505489104.

The previous prime is 163546580203. The next prime is 163546580233. The reversal of 163546580226 is 622085645361.

It is a super-2 number, since 2×163546580226² (a number of 23 digits) contains 22 as substring.

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, 2474070 + ... + 2539313.

It is an arithmetic number, because the mean of its divisors is an integer number (20447086644).

Almost surely, 2^163546580226 is an apocalyptic number.

163546580226 is an abundant number, since it is smaller than the sum of its proper divisors (163606806078).

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

163546580226 is a wasteful number, since it uses less digits than its factorization.

163546580226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5018825.

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 163546580226 in words is "one hundred sixty-three billion, five hundred forty-six million, five hundred eighty thousand, two hundred twenty-six".