1669362506516 has 12 divisors (see below), whose sum is σ = 3015622592640. Its totient is φ = 807756051480.

The previous prime is 1669362506429. The next prime is 1669362506519. The reversal of 1669362506516 is 6156052639661.

It is a happy number.

It is a super-2 number, since 2×1669362506516² (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 (1669362506519) 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, 6731300306 + ... + 6731300553.

It is an arithmetic number, because the mean of its divisors is an integer number (251301882720).

Almost surely, 2^{1669362506516} is an apocalyptic number.

It is an amenable number.

1669362506516 is a deficient number, since it is larger than the sum of its proper divisors (1346260086124).

1669362506516 is a wasteful number, since it uses less digits than its factorization.

1669362506516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13462600894 (or 13462600892 counting only the distinct ones).

The product of its (nonzero) digits is 10497600, while the sum is 56.

The spelling of 1669362506516 in words is "one trillion, six hundred sixty-nine billion, three hundred sixty-two million, five hundred six thousand, five hundred sixteen".