2067655985 has 8 divisors (see below), whose sum is σ = 2486790720. Its totient is φ = 1650389104.

The previous prime is 2067655973. The next prime is 2067655987. The reversal of 2067655985 is 5895567602.

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 2067655985 - 2⁸ = 2067655729 is a prime.

It is a super-3 number, since 3×2067655985³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2067655987) 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, 464525 + ... + 468954.

It is an arithmetic number, because the mean of its divisors is an integer number (310848840).

Almost surely, 2^2067655985 is an apocalyptic number.

It is an amenable number.

2067655985 is a deficient number, since it is larger than the sum of its proper divisors (419134735).

2067655985 is an equidigital number, since it uses as much as digits as its factorization.

2067655985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933927.

The product of its (nonzero) digits is 4536000, while the sum is 53.

The square root of 2067655985 is about 45471.4854056913. The cubic root of 2067655985 is about 1273.9706642841.

The spelling of 2067655985 in words is "two billion, sixty-seven million, six hundred fifty-five thousand, nine hundred eighty-five".