16616222610 has 32 divisors (see below), whose sum is σ = 42946545600. Its totient is φ = 4090147008.

The previous prime is 16616222593. The next prime is 16616222621. The reversal of 16616222610 is 1622261661.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21302460 + ... + 21303239.

It is an arithmetic number, because the mean of its divisors is an integer number (1342079550).

Almost surely, 2^16616222610 is an apocalyptic number.

16616222610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16616222610 is an abundant number, since it is smaller than the sum of its proper divisors (26330322990).

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

16616222610 is a wasteful number, since it uses less digits than its factorization.

16616222610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42605722.

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 16616222610 in words is "sixteen billion, six hundred sixteen million, two hundred twenty-two thousand, six hundred ten".