1066250961216 has 168 divisors, whose sum is σ = 3500467106240. Its totient is φ = 303975991296.

The previous prime is 1066250961187. The next prime is 1066250961221. The reversal of 1066250961216 is 6121690526601.

1066250961216 is a `hidden beast` number, since 1 + 0 + 6 + 6 + 25 + 0 + 9 + 612 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a super-2 number, since 2×1066250961216² (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 23 ways as a sum of consecutive naturals, for example, 1553295 + ... + 2131953.

Almost surely, 2^{1066250961216} is an apocalyptic number.

1066250961216 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 1066250961216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1750233553120).

1066250961216 is an abundant number, since it is smaller than the sum of its proper divisors (2434216145024).

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

1066250961216 is a wasteful number, since it uses less digits than its factorization.

1066250961216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579141 (or 579128 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 1066250961216 in words is "one trillion, sixty-six billion, two hundred fifty million, nine hundred sixty-one thousand, two hundred sixteen".