64554245546 has 32 divisors (see below), whose sum is σ = 113334370560. Its totient is φ = 27006336000.

The previous prime is 64554245531. The next prime is 64554245573.

64554245546 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 64554245494 and 64554245503.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221111 + ... + 421898.

It is an arithmetic number, because the mean of its divisors is an integer number (3541699080).

Almost surely, 2^64554245546 is an apocalyptic number.

64554245546 is a deficient number, since it is larger than the sum of its proper divisors (48780125014).

64554245546 is a wasteful number, since it uses less digits than its factorization.

64554245546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643190.

The product of its digits is 11520000, while the sum is 50.

The spelling of 64554245546 in words is "sixty-four billion, five hundred fifty-four million, two hundred forty-five thousand, five hundred forty-six".