1530021114666 has 144 divisors (see below), whose sum is σ = 3728243701728. Its totient is φ = 449722627200.

The previous prime is 1530021114647. The next prime is 1530021114673. The reversal of 1530021114666 is 6664111200351.

It is a super-2 number, since 2×1530021114666² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1530021114666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 89712996 + ... + 89730048.

It is an arithmetic number, because the mean of its divisors is an integer number (25890581262).

Almost surely, 2^{1530021114666} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1530021114666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1864121850864).

1530021114666 is an abundant number, since it is smaller than the sum of its proper divisors (2198222587062).

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

1530021114666 is a wasteful number, since it uses less digits than its factorization.

1530021114666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17477 (or 17437 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 1530021114666 in words is "one trillion, five hundred thirty billion, twenty-one million, one hundred fourteen thousand, six hundred sixty-six".