1387098210816 has 160 divisors (see below), whose sum is σ = 4108178131200. Its totient is φ = 462110330880.

The previous prime is 1387098210811. The next prime is 1387098210889. The reversal of 1387098210816 is 6180128907831.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1387098210811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25837890 + ... + 25891518.

It is an arithmetic number, because the mean of its divisors is an integer number (25676113320).

Almost surely, 2^{1387098210816} is an apocalyptic number.

1387098210816 is a gapful number since it is divisible by the number (16) 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 1387098210816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2054089065600).

1387098210816 is an abundant number, since it is smaller than the sum of its proper divisors (2721079920384).

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

1387098210816 is an equidigital number, since it uses as much as digits as its factorization.

1387098210816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55527 (or 55505 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The spelling of 1387098210816 in words is "one trillion, three hundred eighty-seven billion, ninety-eight million, two hundred ten thousand, eight hundred sixteen".