1663315416763 has 216 divisors, whose sum is σ = 2463285232800. Its totient is φ = 1112035921920.

The previous prime is 1663315416727. The next prime is 1663315416781. The reversal of 1663315416763 is 3676145133661.

It is not a de Polignac number, because 1663315416763 - 2²¹ = 1663313319611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1663315416763.

It is not an unprimeable number, because it can be changed into a prime (1663315416703) by changing a digit.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 1982497098 + ... + 1982497936.

It is an arithmetic number, because the mean of its divisors is an integer number (11404098300).

Almost surely, 2^{1663315416763} is an apocalyptic number.

1663315416763 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1663315416763 is a deficient number, since it is larger than the sum of its proper divisors (799969816037).

1663315416763 is a wasteful number, since it uses less digits than its factorization.

1663315416763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011 (or 976 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 52.

The spelling of 1663315416763 in words is "one trillion, six hundred sixty-three billion, three hundred fifteen million, four hundred sixteen thousand, seven hundred sixty-three".