220661004446 has 8 divisors (see below), whose sum is σ = 334084885560. Its totient is φ = 109299375928.

The previous prime is 220661004407. The next prime is 220661004451. The reversal of 220661004446 is 644400166022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 515562881 + ... + 515563308.

It is an arithmetic number, because the mean of its divisors is an integer number (41760610695).

Almost surely, 2^220661004446 is an apocalyptic number.

220661004446 is a deficient number, since it is larger than the sum of its proper divisors (113423881114).

220661004446 is a wasteful number, since it uses less digits than its factorization.

220661004446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031126298.

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 220661004446 in words is "two hundred twenty billion, six hundred sixty-one million, four thousand, four hundred forty-six".