663125089410 has 72 divisors (see below), whose sum is σ = 2005615079676. Its totient is φ = 151571448000.

The previous prime is 663125089409. The next prime is 663125089411. The reversal of 663125089410 is 14980521366.

663125089410 is a `hidden beast` number, since 6 + 631 + 2 + 5 + 0 + 8 + 9 + 4 + 1 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (663125089409) and next prime (663125089411).

It can be written as a sum of positive squares in 2 ways, for example, as 627886666449 + 35238422961 = 792393^2 + 187719^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (663125089411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 75179841 + ... + 75188660.

Almost surely, 2^663125089410 is an apocalyptic number.

663125089410 is an abundant number, since it is smaller than the sum of its proper divisors (1342489990266).

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

663125089410 is a wasteful number, since it uses less digits than its factorization.

663125089410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150368528 (or 150368518 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 663125089410 in words is "six hundred sixty-three billion, one hundred twenty-five million, eighty-nine thousand, four hundred ten".