4951551558066 has 16 divisors (see below), whose sum is σ = 10050910626144. Its totient is φ = 1625882601024.

The previous prime is 4951551558049. The next prime is 4951551558067. The reversal of 4951551558066 is 6608551551594.

It is not an unprimeable number, because it can be changed into a prime (4951551558067) 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, 6158645815 + ... + 6158646618.

It is an arithmetic number, because the mean of its divisors is an integer number (628181914134).

Almost surely, 2^{4951551558066} is an apocalyptic number.

4951551558066 is an abundant number, since it is smaller than the sum of its proper divisors (5099359068078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4951551558066 is a wasteful number, since it uses less digits than its factorization.

4951551558066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12317292505.

The product of its (nonzero) digits is 32400000, while the sum is 60.

The spelling of 4951551558066 in words is "four trillion, nine hundred fifty-one billion, five hundred fifty-one million, five hundred fifty-eight thousand, sixty-six".