1426061566 has 16 divisors (see below), whose sum is σ = 2249762688. Its totient is φ = 677008800.

The previous prime is 1426061563. The next prime is 1426061603. The reversal of 1426061566 is 6651606241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426061561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213705 + ... + 220276.

It is an arithmetic number, because the mean of its divisors is an integer number (140610168).

Almost surely, 2^1426061566 is an apocalyptic number.

1426061566 is a deficient number, since it is larger than the sum of its proper divisors (823701122).

1426061566 is a wasteful number, since it uses less digits than its factorization.

1426061566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434067.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 1426061566 is about 37763.2303438146. The cubic root of 1426061566 is about 1125.5879240723.

The spelling of 1426061566 in words is "one billion, four hundred twenty-six million, sixty-one thousand, five hundred sixty-six".