61541203163 has 8 divisors (see below), whose sum is σ = 68236446576. Its totient is φ = 55029391200.

The previous prime is 61541203133. The next prime is 61541203189. The reversal of 61541203163 is 36130214516.

61541203163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 61541203163 - 2⁶ = 61541203099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61541203103) 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, 45857156 + ... + 45858497.

It is an arithmetic number, because the mean of its divisors is an integer number (8529555822).

Almost surely, 2^61541203163 is an apocalyptic number.

61541203163 is a deficient number, since it is larger than the sum of its proper divisors (6695243413).

61541203163 is a wasteful number, since it uses less digits than its factorization.

61541203163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91715725.

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 61541203163 its reverse (36130214516), we get a palindrome (97671417679).

The spelling of 61541203163 in words is "sixty-one billion, five hundred forty-one million, two hundred three thousand, one hundred sixty-three".