6406566937 has 8 divisors (see below), whose sum is σ = 6471855936. Its totient is φ = 6341337552.

The previous prime is 6406566883. The next prime is 6406566941. The reversal of 6406566937 is 7396656046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6406566937 - 2¹⁹ = 6406042649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6406566037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219783 + ... + 247219.

It is an arithmetic number, because the mean of its divisors is an integer number (808981992).

Almost surely, 2^6406566937 is an apocalyptic number.

It is an amenable number.

6406566937 is a deficient number, since it is larger than the sum of its proper divisors (65288999).

6406566937 is a wasteful number, since it uses less digits than its factorization.

6406566937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29807.

The product of its (nonzero) digits is 4898880, while the sum is 52.

The square root of 6406566937 is about 80041.0328331663. The cubic root of 6406566937 is about 1857.2703376540.

The spelling of 6406566937 in words is "six billion, four hundred six million, five hundred sixty-six thousand, nine hundred thirty-seven".