1669121801230 has 32 divisors (see below), whose sum is σ = 3283819900704. Its totient is φ = 607092748416.

The previous prime is 1669121801227. The next prime is 1669121801233. The reversal of 1669121801230 is 321081219661.

It is an interprime number because it is at equal distance from previous prime (1669121801227) and next prime (1669121801233).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1669121801233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95807697 + ... + 95825116.

It is an arithmetic number, because the mean of its divisors is an integer number (102619371897).

Almost surely, 2^{1669121801230} is an apocalyptic number.

1669121801230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1669121801230 is a deficient number, since it is larger than the sum of its proper divisors (1614698099474).

1669121801230 is a wasteful number, since it uses less digits than its factorization.

1669121801230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191632900.

The product of its (nonzero) digits is 31104, while the sum is 40.

The spelling of 1669121801230 in words is "one trillion, six hundred sixty-nine billion, one hundred twenty-one million, eight hundred one thousand, two hundred thirty".