1066542705462 has 128 divisors (see below), whose sum is σ = 2464718376960. Its totient is φ = 305272696320.

The previous prime is 1066542705443. The next prime is 1066542705491. The reversal of 1066542705462 is 2645072456601.

It is a super-2 number, since 2×1066542705462² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7353864 + ... + 7497492.

It is an arithmetic number, because the mean of its divisors is an integer number (19255612320).

Almost surely, 2^{1066542705462} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1066542705462, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1232359188480).

1066542705462 is an abundant number, since it is smaller than the sum of its proper divisors (1398175671498).

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

1066542705462 is a wasteful number, since it uses less digits than its factorization.

1066542705462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143798.

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 1066542705462 in words is "one trillion, sixty-six billion, five hundred forty-two million, seven hundred five thousand, four hundred sixty-two".