7533666328 has 8 divisors (see below), whose sum is σ = 14125624380. Its totient is φ = 3766833160.

The previous prime is 7533666299. The next prime is 7533666391. The reversal of 7533666328 is 8236663357.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×7533666328² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470854138 + ... + 470854153.

Almost surely, 2^7533666328 is an apocalyptic number.

It is an amenable number.

7533666328 is a deficient number, since it is larger than the sum of its proper divisors (6591958052).

7533666328 is a wasteful number, since it uses less digits than its factorization.

7533666328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941708297 (or 941708293 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 49.

The square root of 7533666328 is about 86796.6953748816. The cubic root of 7533666328 is about 1960.3583205782.

It can be divided in two parts, 7 and 533666328, that added together give a palindrome (533666335).

The spelling of 7533666328 in words is "seven billion, five hundred thirty-three million, six hundred sixty-six thousand, three hundred twenty-eight".