1066215060 has 72 divisors (see below), whose sum is σ = 3240016416. Its totient is φ = 283811520.

The previous prime is 1066215053. The next prime is 1066215079. The reversal of 1066215060 is 605126601.

It is a happy number.

It is a super-2 number, since 2×1066215060² = 2273629108341607200, which 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, 100615 + ... + 110705.

It is an arithmetic number, because the mean of its divisors is an integer number (45000228).

Almost surely, 2^1066215060 is an apocalyptic number.

1066215060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1066215060 is an abundant number, since it is smaller than the sum of its proper divisors (2173801356).

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

1066215060 is a wasteful number, since it uses less digits than its factorization.

1066215060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10693 (or 10688 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1066215060 is about 32652.9487183011. The cubic root of 1066215060 is about 1021.6016934832.

The spelling of 1066215060 in words is "one billion, sixty-six million, two hundred fifteen thousand, sixty".