1066858855 has 8 divisors (see below), whose sum is σ = 1280816352. Its totient is φ = 853096608.

The previous prime is 1066858823. The next prime is 1066858861. The reversal of 1066858855 is 5588586601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1066858855 - 2⁵ = 1066858823 is a prime.

It is a super-2 number, since 2×1066858855² = 2276375632983822050, which contains 22 as substring.

It is a Duffinian number.

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, 36507 + ... + 58876.

It is an arithmetic number, because the mean of its divisors is an integer number (160102044).

Almost surely, 2^1066858855 is an apocalyptic number.

1066858855 is a deficient number, since it is larger than the sum of its proper divisors (213957497).

1066858855 is an equidigital number, since it uses as much as digits as its factorization.

1066858855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97625.

The product of its (nonzero) digits is 2304000, while the sum is 52.

The square root of 1066858855 is about 32662.8053755338. The cubic root of 1066858855 is about 1021.8072710615.

The spelling of 1066858855 in words is "one billion, sixty-six million, eight hundred fifty-eight thousand, eight hundred fifty-five".