1663498468801 has 8 divisors (see below), whose sum is σ = 1803323864384. Its totient is φ = 1525367926800.

The previous prime is 1663498468771. The next prime is 1663498468817. The reversal of 1663498468801 is 1088648943661.

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

It is a cyclic number.

It is not a de Polignac number, because 1663498468801 - 2⁷ = 1663498468673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1663498468501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423711351 + ... + 423715276.

It is an arithmetic number, because the mean of its divisors is an integer number (225415483048).

Almost surely, 2^{1663498468801} is an apocalyptic number.

It is an amenable number.

1663498468801 is a deficient number, since it is larger than the sum of its proper divisors (139825395583).

1663498468801 is a wasteful number, since it uses less digits than its factorization.

1663498468801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847426791.

The product of its (nonzero) digits is 47775744, while the sum is 64.

The spelling of 1663498468801 in words is "one trillion, six hundred sixty-three billion, four hundred ninety-eight million, four hundred sixty-eight thousand, eight hundred one".