221460161010 has 64 divisors (see below), whose sum is σ = 581132206080. Its totient is φ = 53566086080.

The previous prime is 221460160997. The next prime is 221460161047. The reversal of 221460161010 is 10161064122.

It is a happy number.

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, 611250 + ... + 903629.

It is an arithmetic number, because the mean of its divisors is an integer number (9080190720).

Almost surely, 2^221460161010 is an apocalyptic number.

221460161010 is an abundant number, since it is smaller than the sum of its proper divisors (359672045070).

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

221460161010 is a wasteful number, since it uses less digits than its factorization.

221460161010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515343.

The product of its (nonzero) digits is 576, while the sum is 24.

The spelling of 221460161010 in words is "two hundred twenty-one billion, four hundred sixty million, one hundred sixty-one thousand, ten".