1201665169852 has 24 divisors (see below), whose sum is σ = 2413645075296. Its totient is φ = 512789058048.

The previous prime is 1201665169847. The next prime is 1201665169877. The reversal of 1201665169852 is 2589615661021.

It is a self number, because there is not a number n which added to its sum of digits gives 1201665169852.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92089213 + ... + 92102260.

It is an arithmetic number, because the mean of its divisors is an integer number (100568544804).

Almost surely, 2^{1201665169852} is an apocalyptic number.

It is an amenable number.

1201665169852 is an abundant number, since it is smaller than the sum of its proper divisors (1211979905444).

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

1201665169852 is a wasteful number, since it uses less digits than its factorization.

1201665169852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184191717 (or 184191715 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 52.

The spelling of 1201665169852 in words is "one trillion, two hundred one billion, six hundred sixty-five million, one hundred sixty-nine thousand, eight hundred fifty-two".