162563040906 has 128 divisors (see below), whose sum is σ = 395482300416. Its totient is φ = 43487124480.

The previous prime is 162563040851. The next prime is 162563040943. The reversal of 162563040906 is 609040365261.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 200447241 + ... + 200448051.

It is an arithmetic number, because the mean of its divisors is an integer number (3089705472).

Almost surely, 2^162563040906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162563040906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197741150208).

162563040906 is an abundant number, since it is smaller than the sum of its proper divisors (232919259510).

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

162563040906 is a wasteful number, since it uses less digits than its factorization.

162563040906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956.

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 162563040906 in words is "one hundred sixty-two billion, five hundred sixty-three million, forty thousand, nine hundred six".