1062651985920 has 1792 divisors, whose sum is σ = 4620978754560. Its totient is φ = 229323571200.

The previous prime is 1062651985903. The next prime is 1062651986027. The reversal of 1062651985920 is 295891562601.

1062651985920 is a `hidden beast` number, since 1 + 0 + 6 + 26 + 519 + 85 + 9 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (1792).

It is a super-2 number, since 2×1062651985920² (a number of 25 digits) contains 22 as substring.

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

It is an unprimeable number.

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 111 ways as a sum of consecutive naturals, for example, 25918341100 + ... + 25918341140.

It is an arithmetic number, because the mean of its divisors is an integer number (2578671180).

Almost surely, 2^{1062651985920} is an apocalyptic number.

1062651985920 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 1062651985920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2310489377280).

1062651985920 is an abundant number, since it is smaller than the sum of its proper divisors (3558326768640).

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

1062651985920 is an frugal number, since it uses more digits than its factorization.

1062651985920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 54.

The spelling of 1062651985920 in words is "one trillion, sixty-two billion, six hundred fifty-one million, nine hundred eighty-five thousand, nine hundred twenty".