1400216556563 has 32 divisors (see below), whose sum is σ = 1577647245312. Its totient is φ = 1231789104000.

The previous prime is 1400216556553. The next prime is 1400216556581. The reversal of 1400216556563 is 3656556120041.

It is a cyclic number.

It is not a de Polignac number, because 1400216556563 - 2⁶ = 1400216556499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400216556553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38256770 + ... + 38293352.

It is an arithmetic number, because the mean of its divisors is an integer number (49301476416).

Almost surely, 2^{1400216556563} is an apocalyptic number.

1400216556563 is a deficient number, since it is larger than the sum of its proper divisors (177430688749).

1400216556563 is a wasteful number, since it uses less digits than its factorization.

1400216556563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37475.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 1400216556563 in words is "one trillion, four hundred billion, two hundred sixteen million, five hundred fifty-six thousand, five hundred sixty-three".