663484526045454 has 8 divisors (see below), whose sum is σ = 1326969052090920. Its totient is φ = 221161508681816.

The previous prime is 663484526045443. The next prime is 663484526045569. The reversal of 663484526045454 is 454540625484366.

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

663484526045454 is an admirable number.

It is a super-2 number, since 2×663484526045454² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55290377170449 + ... + 55290377170460.

It is an arithmetic number, because the mean of its divisors is an integer number (165871131511365).

Almost surely, 2^{663484526045454} is an apocalyptic number.

663484526045454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

663484526045454 is a wasteful number, since it uses less digits than its factorization.

663484526045454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110580754340914.

The product of its (nonzero) digits is 1327104000, while the sum is 66.

The spelling of 663484526045454 in words is "six hundred sixty-three trillion, four hundred eighty-four billion, five hundred twenty-six million, forty-five thousand, four hundred fifty-four".