1066058860 has 24 divisors (see below), whose sum is σ = 2250452736. Its totient is φ = 424189440.

The previous prime is 1066058857. The next prime is 1066058863. The reversal of 1066058860 is 688506601.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1066058857) and next prime (1066058863).

It is a super-2 number, since 2×1066058860² = 2272962985968999200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066058863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135717 + ... + 143356.

It is an arithmetic number, because the mean of its divisors is an integer number (93768864).

Almost surely, 2^1066058860 is an apocalyptic number.

1066058860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1066058860 is an abundant number, since it is smaller than the sum of its proper divisors (1184393876).

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

1066058860 is a wasteful number, since it uses less digits than its factorization.

1066058860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279273 (or 279271 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 1066058860 is about 32650.5568099535. The cubic root of 1066058860 is about 1021.5518029924.

It can be divided in two parts, 10660 and 58860, that multiplied together give a triangular number (627447600 = T₃₅₄₂₄).

The spelling of 1066058860 in words is "one billion, sixty-six million, fifty-eight thousand, eight hundred sixty".