1663341463 has 4 divisors (see below), whose sum is σ = 1900961680. Its totient is φ = 1425721248.

The previous prime is 1663341461. The next prime is 1663341499. The reversal of 1663341463 is 3641433661.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3641433661 = 1109 ⋅3283529.

It is not a de Polignac number, because 1663341463 - 2¹ = 1663341461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1663341461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118810098 + ... + 118810111.

It is an arithmetic number, because the mean of its divisors is an integer number (475240420).

Almost surely, 2^1663341463 is an apocalyptic number.

1663341463 is a deficient number, since it is larger than the sum of its proper divisors (237620217).

1663341463 is an equidigital number, since it uses as much as digits as its factorization.

1663341463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237620216.

The product of its digits is 93312, while the sum is 37.

The square root of 1663341463 is about 40784.0834517585. The cubic root of 1663341463 is about 1184.8420835575.

The spelling of 1663341463 in words is "one billion, six hundred sixty-three million, three hundred forty-one thousand, four hundred sixty-three".