75915333648 has 160 divisors (see below), whose sum is σ = 271674040320. Its totient is φ = 19718259840.

The previous prime is 75915333643. The next prime is 75915333677. The reversal of 75915333648 is 84633351957.

75915333648 is a `hidden beast` number, since 7 + 591 + 5 + 3 + 3 + 3 + 6 + 48 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 75915333594 and 75915333603.

It is not an unprimeable number, because it can be changed into a prime (75915333643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1107840 + ... + 1174367.

It is an arithmetic number, because the mean of its divisors is an integer number (1697962752).

Almost surely, 2^75915333648 is an apocalyptic number.

It is an amenable number.

75915333648 is an abundant number, since it is smaller than the sum of its proper divisors (195758706672).

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

75915333648 is a wasteful number, since it uses less digits than its factorization.

75915333648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2282242 (or 2282230 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 54.

The spelling of 75915333648 in words is "seventy-five billion, nine hundred fifteen million, three hundred thirty-three thousand, six hundred forty-eight".