7533666320 has 20 divisors (see below), whose sum is σ = 17515774380. Its totient is φ = 3013466496.

The previous prime is 7533666299. The next prime is 7533666391. The reversal of 7533666320 is 236663357.

It can be written as a sum of positive squares in 2 ways, for example, as 5897625616 + 1636040704 = 76796^2 + 40448^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×7533666320² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47085335 + ... + 47085494.

It is an arithmetic number, because the mean of its divisors is an integer number (875788719).

Almost surely, 2^7533666320 is an apocalyptic number.

It is an amenable number.

7533666320 is an abundant number, since it is smaller than the sum of its proper divisors (9982108060).

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

7533666320 is a wasteful number, since it uses less digits than its factorization.

7533666320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94170842 (or 94170836 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 41.

The square root of 7533666320 is about 86796.6953287969. The cubic root of 7533666320 is about 1960.3583198843.

The spelling of 7533666320 in words is "seven billion, five hundred thirty-three million, six hundred sixty-six thousand, three hundred twenty".