161662083512828 has 12 divisors (see below), whose sum is σ = 299550331215072. Its totient is φ = 76076274594240.

The previous prime is 161662083512827. The next prime is 161662083512837. The reversal of 161662083512828 is 828215380266161.

It is a super-2 number, since 2×161662083512828² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161662083512827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1188691790468 + ... + 1188691790603.

It is an arithmetic number, because the mean of its divisors is an integer number (24962527601256).

Almost surely, 2^{161662083512828} is an apocalyptic number.

It is an amenable number.

161662083512828 is a deficient number, since it is larger than the sum of its proper divisors (137888247702244).

161662083512828 is a wasteful number, since it uses less digits than its factorization.

161662083512828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377383581092 (or 2377383581090 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 59.

The spelling of 161662083512828 in words is "one hundred sixty-one trillion, six hundred sixty-two billion, eighty-three million, five hundred twelve thousand, eight hundred twenty-eight".