1669197052052 has 12 divisors (see below), whose sum is σ = 2927349865440. Its totient is φ = 832811376216.

The previous prime is 1669197052051. The next prime is 1669197052057. The reversal of 1669197052052 is 2502507919661.

It is a junction number, because it is equal to n+sod(n) for n = 1669197051985 and 1669197052003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1669197052051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446785352 + ... + 446789087.

It is an arithmetic number, because the mean of its divisors is an integer number (243945822120).

Almost surely, 2^{1669197052052} is an apocalyptic number.

It is an amenable number.

1669197052052 is a deficient number, since it is larger than the sum of its proper divisors (1258152813388).

1669197052052 is a wasteful number, since it uses less digits than its factorization.

1669197052052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893574910 (or 893574908 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 53.

The spelling of 1669197052052 in words is "one trillion, six hundred sixty-nine billion, one hundred ninety-seven million, fifty-two thousand, fifty-two".