7372785051648 has 96 divisors (see below), whose sum is σ = 21839955883200. Its totient is φ = 2457594998784.

The previous prime is 7372785051553. The next prime is 7372785051713. The reversal of 7372785051648 is 8461505872737.

It is a happy number.

7372785051648 is a `hidden beast` number, since 7 + 3 + 7 + 2 + 78 + 5 + 0 + 516 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 66611236 + ... + 66721827.

It is an arithmetic number, because the mean of its divisors is an integer number (227499540450).

Almost surely, 2^{7372785051648} is an apocalyptic number.

It is an amenable number.

7372785051648 is an abundant number, since it is smaller than the sum of its proper divisors (14467170831552).

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

7372785051648 is a wasteful number, since it uses less digits than its factorization.

7372785051648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133333094 (or 133333068 counting only the distinct ones).

The product of its (nonzero) digits is 79027200, while the sum is 63.

The spelling of 7372785051648 in words is "seven trillion, three hundred seventy-two billion, seven hundred eighty-five million, fifty-one thousand, six hundred forty-eight".