2670686536 has 128 divisors (see below), whose sum is σ = 6329352960. Its totient is φ = 1030348800.

The previous prime is 2670686497. The next prime is 2670686537. The reversal of 2670686536 is 6356860762.

It is a self number, because there is not a number n which added to its sum of digits gives 2670686536.

It is not an unprimeable number, because it can be changed into a prime (2670686537) 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, 2068051 + ... + 2069341.

It is an arithmetic number, because the mean of its divisors is an integer number (49448070).

Almost surely, 2^2670686536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2670686536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3164676480).

2670686536 is an abundant number, since it is smaller than the sum of its proper divisors (3658666424).

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

2670686536 is a wasteful number, since it uses less digits than its factorization.

2670686536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415 (or 1411 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 49.

The square root of 2670686536 is about 51678.6855095986. The cubic root of 2670686536 is about 1387.4190042918.

The spelling of 2670686536 in words is "two billion, six hundred seventy million, six hundred eighty-six thousand, five hundred thirty-six".