2085657006 has 16 divisors (see below), whose sum is σ = 4190022144. Its totient is φ = 692100984.

The previous prime is 2085657001. The next prime is 2085657017. The reversal of 2085657006 is 6007565802.

2085657006 = T₄₂₁₃ + T₄₂₁₄ + ... + T₄₄₃₅.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2085657001) 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, 778056 + ... + 780731.

It is an arithmetic number, because the mean of its divisors is an integer number (261876384).

Almost surely, 2^2085657006 is an apocalyptic number.

2085657006 is an abundant number, since it is smaller than the sum of its proper divisors (2104365138).

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

2085657006 is a wasteful number, since it uses less digits than its factorization.

2085657006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559015.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 2085657006 is about 45668.9939236677. The cubic root of 2085657006 is about 1277.6570515006.

The spelling of 2085657006 in words is "two billion, eighty-five million, six hundred fifty-seven thousand, six".