953531663 has 8 divisors (see below), whose sum is σ = 1147105920. Its totient is φ = 774296280.

The previous prime is 953531653. The next prime is 953531713. The reversal of 953531663 is 366135359.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 953531663 - 2⁴ = 953531647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 953531663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (953531603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3584573 + ... + 3584838.

It is an arithmetic number, because the mean of its divisors is an integer number (143388240).

Almost surely, 2^953531663 is an apocalyptic number.

953531663 is a deficient number, since it is larger than the sum of its proper divisors (193574257).

953531663 is a wasteful number, since it uses less digits than its factorization.

953531663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7169437.

The product of its digits is 218700, while the sum is 41.

The square root of 953531663 is about 30879.3080071429. The cubic root of 953531663 is about 984.2642389569.

The spelling of 953531663 in words is "nine hundred fifty-three million, five hundred thirty-one thousand, six hundred sixty-three".