60561666454 has 12 divisors (see below), whose sum is σ = 94083019524. Its totient is φ = 29236665752.

The previous prime is 60561666449. The next prime is 60561666479. The reversal of 60561666454 is 45466616506.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 60561666398 and 60561666407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18001192 + ... + 18004555.

It is an arithmetic number, because the mean of its divisors is an integer number (7840251627).

Almost surely, 2^60561666454 is an apocalyptic number.

60561666454 is a deficient number, since it is larger than the sum of its proper divisors (33521353070).

60561666454 is a wasteful number, since it uses less digits than its factorization.

60561666454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36005807 (or 36005778 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 49.

The spelling of 60561666454 in words is "sixty billion, five hundred sixty-one million, six hundred sixty-six thousand, four hundred fifty-four".