1066738241481 has 16 divisors (see below), whose sum is σ = 1552271041728. Its totient is φ = 646236449600.

The previous prime is 1066738241473. The next prime is 1066738241501. The reversal of 1066738241481 is 1841428376601.

It is a cyclic number.

It is not a de Polignac number, because 1066738241481 - 2³ = 1066738241473 is a prime.

It is a super-2 number, since 2×1066738241481² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066738242481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6709626 + ... + 6866771.

It is an arithmetic number, because the mean of its divisors is an integer number (97016940108).

Almost surely, 2^{1066738241481} is an apocalyptic number.

1066738241481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1066738241481 is a deficient number, since it is larger than the sum of its proper divisors (485532800247).

1066738241481 is a wasteful number, since it uses less digits than its factorization.

1066738241481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13578792.

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 1066738241481 in words is "one trillion, sixty-six billion, seven hundred thirty-eight million, two hundred forty-one thousand, four hundred eighty-one".