1385166249192 has 144 divisors (see below), whose sum is σ = 3933099344160. Its totient is φ = 406206292800.

The previous prime is 1385166249179. The next prime is 1385166249307. The reversal of 1385166249192 is 2919426615831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2542573 + ... + 3038915.

It is an arithmetic number, because the mean of its divisors is an integer number (27313189890).

Almost surely, 2^{1385166249192} is an apocalyptic number.

1385166249192 is a gapful number since it is divisible by the number (12) 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 1385166249192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1966549672080).

1385166249192 is an abundant number, since it is smaller than the sum of its proper divisors (2547933094968).

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

1385166249192 is a wasteful number, since it uses less digits than its factorization.

1385166249192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496436 (or 496390 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 57.

The spelling of 1385166249192 in words is "one trillion, three hundred eighty-five billion, one hundred sixty-six million, two hundred forty-nine thousand, one hundred ninety-two".