646060550425452 has 60 divisors (see below), whose sum is σ = 1688935308180736. Its totient is φ = 215352826670880.

The previous prime is 646060550425441. The next prime is 646060550425463. The reversal of 646060550425452 is 254524055060646.

646060550425452 is a `hidden beast` number, since 6 + 4 + 6 + 0 + 6 + 0 + 5 + 50 + 42 + 545 + 2 = 666.

646060550425452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (646060550425441) and next prime (646060550425463).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 103559253 + ... + 109620435.

Almost surely, 2^{646060550425452} is an apocalyptic number.

It is an amenable number.

646060550425452 is an abundant number, since it is smaller than the sum of its proper divisors (1042874757755284).

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

646060550425452 is a wasteful number, since it uses less digits than its factorization.

646060550425452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6390180 (or 6390169 counting only the distinct ones).

The product of its (nonzero) digits is 34560000, while the sum is 54.

The spelling of 646060550425452 in words is "six hundred forty-six trillion, sixty billion, five hundred fifty million, four hundred twenty-five thousand, four hundred fifty-two".