995555221406 has 16 divisors (see below), whose sum is σ = 1494030657168. Its totient is φ = 497545065600.

The previous prime is 995555221403. The next prime is 995555221439. The reversal of 995555221406 is 604122555599.

It is a super-2 number, since 2×995555221406² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (995555221403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44969516 + ... + 44991648.

It is an arithmetic number, because the mean of its divisors is an integer number (93376916073).

Almost surely, 2^995555221406 is an apocalyptic number.

995555221406 is a deficient number, since it is larger than the sum of its proper divisors (498475435762).

995555221406 is a wasteful number, since it uses less digits than its factorization.

995555221406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31627.

The product of its (nonzero) digits is 4860000, while the sum is 53.

The spelling of 995555221406 in words is "nine hundred ninety-five billion, five hundred fifty-five million, two hundred twenty-one thousand, four hundred six".