61663331203 has 8 divisors (see below), whose sum is σ = 63333494960. Its totient is φ = 59993356320.

The previous prime is 61663331189. The next prime is 61663331239. The reversal of 61663331203 is 30213336616.

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 61663331203 - 2¹³ = 61663323011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61663331273) 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, 834388 + ... + 905278.

It is an arithmetic number, because the mean of its divisors is an integer number (7916686870).

Almost surely, 2^61663331203 is an apocalyptic number.

61663331203 is a deficient number, since it is larger than the sum of its proper divisors (1670163757).

61663331203 is a wasteful number, since it uses less digits than its factorization.

61663331203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94437.

The product of its (nonzero) digits is 34992, while the sum is 34.

Adding to 61663331203 its reverse (30213336616), we get a palindrome (91876667819).

The spelling of 61663331203 in words is "sixty-one billion, six hundred sixty-three million, three hundred thirty-one thousand, two hundred three".