651011606 has 16 divisors (see below), whose sum is σ = 1116443040. Its totient is φ = 278899200.

The previous prime is 651011551. The next prime is 651011609. The reversal of 651011606 is 606110156.

651011606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×651011606² = 847632222293398472, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651011609) 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, 38006 + ... + 52406.

It is an arithmetic number, because the mean of its divisors is an integer number (69777690).

Almost surely, 2^651011606 is an apocalyptic number.

651011606 is a deficient number, since it is larger than the sum of its proper divisors (465431434).

651011606 is a wasteful number, since it uses less digits than its factorization.

651011606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17639.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 651011606 is about 25514.9290808342. The cubic root of 651011606 is about 866.6882532756.

The spelling of 651011606 in words is "six hundred fifty-one million, eleven thousand, six hundred six".