1406246566 has 16 divisors (see below), whose sum is σ = 2116518480. Its totient is φ = 700745760.

The previous prime is 1406246561. The next prime is 1406246581. The reversal of 1406246566 is 6656426041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406246561) 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 7 ways as a sum of consecutive naturals, for example, 1409980 + ... + 1410976.

It is an arithmetic number, because the mean of its divisors is an integer number (132282405).

Almost surely, 2^1406246566 is an apocalyptic number.

1406246566 is a deficient number, since it is larger than the sum of its proper divisors (710271914).

1406246566 is an equidigital number, since it uses as much as digits as its factorization.

1406246566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2679.

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 1406246566 is about 37499.9542133054. The cubic root of 1406246566 is about 1120.3502746893.

The spelling of 1406246566 in words is "one billion, four hundred six million, two hundred forty-six thousand, five hundred sixty-six".