221046610260 has 192 divisors, whose sum is σ = 749562605568. Its totient is φ = 47514494976.

The previous prime is 221046610247. The next prime is 221046610271. The reversal of 221046610260 is 62016640122.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9320137 + ... + 9343823.

It is an arithmetic number, because the mean of its divisors is an integer number (3903971904).

Almost surely, 2^221046610260 is an apocalyptic number.

221046610260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 221046610260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374781302784).

221046610260 is an abundant number, since it is smaller than the sum of its proper divisors (528515995308).

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

221046610260 is a wasteful number, since it uses less digits than its factorization.

221046610260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25030 (or 25028 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 221046610260 in words is "two hundred twenty-one billion, forty-six million, six hundred ten thousand, two hundred sixty".