1406656607 has 2 divisors, whose sum is σ = 1406656608. Its totient is φ = 1406656606.

The previous prime is 1406656597. The next prime is 1406656631. The reversal of 1406656607 is 7066566041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1406656607 - 2⁴ = 1406656591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1406656907) 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 as a sum of consecutive naturals, namely, 703328303 + 703328304.

It is an arithmetic number, because the mean of its divisors is an integer number (703328304).

Almost surely, 2^1406656607 is an apocalyptic number.

1406656607 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406656607 is an equidigital number, since it uses as much as digits as its factorization.

1406656607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 1406656607 is about 37505.4210348318. The cubic root of 1406656607 is about 1120.4591567101.

The spelling of 1406656607 in words is "one billion, four hundred six million, six hundred fifty-six thousand, six hundred seven".