1420064252566 has 8 divisors (see below), whose sum is σ = 2130236922744. Its totient is φ = 709985278320.

The previous prime is 1420064252549. The next prime is 1420064252567. The reversal of 1420064252566 is 6652524600241.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420064252567) 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 3 ways as a sum of consecutive naturals, for example, 23386080 + ... + 23446723.

It is an arithmetic number, because the mean of its divisors is an integer number (266279615343).

Almost surely, 2^{1420064252566} is an apocalyptic number.

1420064252566 is a deficient number, since it is larger than the sum of its proper divisors (710172670178).

1420064252566 is a wasteful number, since it uses less digits than its factorization.

1420064252566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46847966.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 1420064252566 in words is "one trillion, four hundred twenty billion, sixty-four million, two hundred fifty-two thousand, five hundred sixty-six".