1066655577148 has 54 divisors (see below), whose sum is σ = 2164568384328. Its totient is φ = 450535589280.

The previous prime is 1066655577103. The next prime is 1066655577193. The reversal of 1066655577148 is 8417755566601.

It is an interprime number because it is at equal distance from previous prime (1066655577103) and next prime (1066655577193).

It is a super-3 number, since 3×1066655577148³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

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 17 ways as a sum of consecutive naturals, for example, 388014478 + ... + 388017226.

Almost surely, 2^{1066655577148} is an apocalyptic number.

It is an amenable number.

1066655577148 is an abundant number, since it is smaller than the sum of its proper divisors (1097912807180).

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

1066655577148 is an frugal number, since it uses more digits than its factorization.

1066655577148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5651 (or 2829 counting only the distinct ones).

The product of its (nonzero) digits is 42336000, while the sum is 61.

The spelling of 1066655577148 in words is "one trillion, sixty-six billion, six hundred fifty-five million, five hundred seventy-seven thousand, one hundred forty-eight".