61460664243 has 16 divisors (see below), whose sum is σ = 89966747136. Its totient is φ = 37011630240.

The previous prime is 61460664227. The next prime is 61460664269. The reversal of 61460664243 is 34246606416.

It is not a de Polignac number, because 61460664243 - 2⁴ = 61460664227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61460664195 and 61460664204.

It is not an unprimeable number, because it can be changed into a prime (61464664243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5926171 + ... + 5936532.

It is an arithmetic number, because the mean of its divisors is an integer number (5622921696).

Almost surely, 2^61460664243 is an apocalyptic number.

61460664243 is a deficient number, since it is larger than the sum of its proper divisors (28506082893).

61460664243 is a wasteful number, since it uses less digits than its factorization.

61460664243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11862874.

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 61460664243 in words is "sixty-one billion, four hundred sixty million, six hundred sixty-four thousand, two hundred forty-three".