2661062085 has 32 divisors (see below), whose sum is σ = 5160850560. Its totient is φ = 1290211200.

The previous prime is 2661062083. The next prime is 2661062093. The reversal of 2661062085 is 5802601662.

2661062085 is a `hidden beast` number, since 26 + 6 + 1 + 0 + 620 + 8 + 5 = 666.

It is not a de Polignac number, because 2661062085 - 2¹ = 2661062083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2661062083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 894496 + ... + 897465.

It is an arithmetic number, because the mean of its divisors is an integer number (161276580).

Almost surely, 2^2661062085 is an apocalyptic number.

It is an amenable number.

2661062085 is a deficient number, since it is larger than the sum of its proper divisors (2499788475).

2661062085 is a wasteful number, since it uses less digits than its factorization.

2661062085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1791986 (or 1791980 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 2661062085 is about 51585.4832777595. The cubic root of 2661062085 is about 1385.7503673274.

The spelling of 2661062085 in words is "two billion, six hundred sixty-one million, sixty-two thousand, eighty-five".