1660150655200 has 144 divisors (see below), whose sum is σ = 4120105983840. Its totient is φ = 653126400000.

The previous prime is 1660150655197. The next prime is 1660150655201. The reversal of 1660150655200 is 25560510661.

It is a super-2 number, since 2×1660150655200² (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 1660150655200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1660150655201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12132766 + ... + 12268834.

It is an arithmetic number, because the mean of its divisors is an integer number (28611847110).

Almost surely, 2^{1660150655200} is an apocalyptic number.

1660150655200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1660150655200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2060052991920).

1660150655200 is an abundant number, since it is smaller than the sum of its proper divisors (2459955328640).

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

1660150655200 is a wasteful number, since it uses less digits than its factorization.

1660150655200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136341 (or 136328 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 1660150655200 in words is "one trillion, six hundred sixty billion, one hundred fifty million, six hundred fifty-five thousand, two hundred".