663102451 has 16 divisors (see below), whose sum is σ = 775837440. Its totient is φ = 560308320.

The previous prime is 663102449. The next prime is 663102469. The reversal of 663102451 is 154201366.

It is not a de Polignac number, because 663102451 - 2¹ = 663102449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (663102491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18855 + ... + 41008.

It is an arithmetic number, because the mean of its divisors is an integer number (48489840).

Almost surely, 2^663102451 is an apocalyptic number.

663102451 is a deficient number, since it is larger than the sum of its proper divisors (112734989).

663102451 is a wasteful number, since it uses less digits than its factorization.

663102451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59946.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 663102451 is about 25750.7757358880. The cubic root of 663102451 is about 872.0208674656.

The spelling of 663102451 in words is "six hundred sixty-three million, one hundred two thousand, four hundred fifty-one".