1669302048540 has 96 divisors (see below), whose sum is σ = 5432305052160. Its totient is φ = 375087718656.

The previous prime is 1669302048529. The next prime is 1669302048553. The reversal of 1669302048540 is 458402039661.

It is a super-2 number, since 2×1669302048540² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1669302048540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33657667 + ... + 33707226.

It is an arithmetic number, because the mean of its divisors is an integer number (56586510960).

Almost surely, 2^{1669302048540} is an apocalyptic number.

1669302048540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1669302048540 is an abundant number, since it is smaller than the sum of its proper divisors (3763003003620).

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

1669302048540 is a wasteful number, since it uses less digits than its factorization.

1669302048540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67364971 (or 67364969 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 1669302048540 in words is "one trillion, six hundred sixty-nine billion, three hundred two million, forty-eight thousand, five hundred forty".