7552165663400 has 24 divisors (see below), whose sum is σ = 17558785167870. Its totient is φ = 3020866265280.

The previous prime is 7552165663379. The next prime is 7552165663409. The reversal of 7552165663400 is 43665612557.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3224775526756 + 4327390136644 = 1795766^2 + 2080238^2 .

It is a Harshad number since it is a multiple of its sum of digits (50).

It is not an unprimeable number, because it can be changed into a prime (7552165663409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18880413959 + ... + 18880414358.

Almost surely, 2^{7552165663400} is an apocalyptic number.

It is an amenable number.

7552165663400 is an abundant number, since it is smaller than the sum of its proper divisors (10006619504470).

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

7552165663400 is a wasteful number, since it uses less digits than its factorization.

7552165663400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37760828333 (or 37760828324 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 50.

The spelling of 7552165663400 in words is "seven trillion, five hundred fifty-two billion, one hundred sixty-five million, six hundred sixty-three thousand, four hundred".