1066021026260 has 24 divisors (see below), whose sum is σ = 2263797464040. Its totient is φ = 421617304064.

The previous prime is 1066021026241. The next prime is 1066021026277. The reversal of 1066021026260 is 626201206601.

It can be written as a sum of positive squares in 4 ways, for example, as 7422856336 + 1058598169924 = 86156^2 + 1028882^2 .

It is a super-2 number, since 2×1066021026260² (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 7 ways as a sum of consecutive naturals, for example, 299442329 + ... + 299445888.

It is an arithmetic number, because the mean of its divisors is an integer number (94324894335).

Almost surely, 2^{1066021026260} is an apocalyptic number.

1066021026260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1066021026260 is an abundant number, since it is smaller than the sum of its proper divisors (1197776437780).

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

1066021026260 is a wasteful number, since it uses less digits than its factorization.

1066021026260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598888315 (or 598888313 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 1066021026260 in words is "one trillion, sixty-six billion, twenty-one million, twenty-six thousand, two hundred sixty".