2007061686 has 64 divisors (see below), whose sum is σ = 5102899200. Its totient is φ = 572816448.

The previous prime is 2007061681. The next prime is 2007061709. The reversal of 2007061686 is 6861607002.

It is a happy number.

It is a super-2 number, since 2×2007061686² = 8056593222818325192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2007061686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2007061681) 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, 424411 + ... + 429113.

It is an arithmetic number, because the mean of its divisors is an integer number (79732800).

Almost surely, 2^2007061686 is an apocalyptic number.

2007061686 is an abundant number, since it is smaller than the sum of its proper divisors (3095837514).

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

2007061686 is a wasteful number, since it uses less digits than its factorization.

2007061686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5850 (or 5844 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2007061686 is about 44800.2420305962. The cubic root of 2007061686 is about 1261.4021692002.

Adding to 2007061686 its reverse (6861607002), we get a palindrome (8868668688).

The spelling of 2007061686 in words is "two billion, seven million, sixty-one thousand, six hundred eighty-six".