4561221356610 has 64 divisors (see below), whose sum is σ = 11201890246272. Its totient is φ = 1187998834176.

The previous prime is 4561221356581. The next prime is 4561221356633. The reversal of 4561221356610 is 166531221654.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68436022 + ... + 68502638.

It is an arithmetic number, because the mean of its divisors is an integer number (175029535098).

Almost surely, 2^{4561221356610} is an apocalyptic number.

4561221356610 is an abundant number, since it is smaller than the sum of its proper divisors (6640668889662).

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

4561221356610 is a wasteful number, since it uses less digits than its factorization.

4561221356610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119747.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 4561221356610 in words is "four trillion, five hundred sixty-one billion, two hundred twenty-one million, three hundred fifty-six thousand, six hundred ten".